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Diesel engines burn as much as 30% less fuel than gasoline engines of

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 02 Aug 2016, 10:52
OA is indeed C. Nice explanation daagh
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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 03 Aug 2016, 08:03
IMO C.

Only C compares the action.

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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Diesel engines burn as much as 30 percent less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing
B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute
C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute
D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors
E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing

Doubt about the OA and similar questions:
[Reveal] Spoiler:
I've seen this question in some different ways example 1 and example 2. The second example, just like this question, compares the actions "how much the diesel engines burn in comparison to how much similar engines do". But on the example 1, the OA doesn't have the "do", and it seems that it is comparing how much diesel engines burn to similar engines, is this correct?? Or am I missing something??
Thank you!!

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 16 Aug 2016, 20:27
ramonguib wrote:
Diesel engines burn as much as 30 percent less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing
B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute
C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute
D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors
E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing



gasoline engines of comparable size - because of "of" i narrowed it down to B,C,D and that's all.
And only could guess based on parallel structure. Diesel engines burn......, they emit ........ But not confident about the latter.


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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 17 Aug 2016, 09:44
Can someone please explain why option D is incorrect ?
I did not chose Option C because I felt the usage of They is ambiguous as it may either refer to Diesel Engines or Gasoline engines.
than do gasoline engines of comparable size, and theyemit far less carbon dioxide and other greenhouse gases, which have been determined to contribute

Please help !!
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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 17 Aug 2016, 11:13
Is they not ambiguous in option c

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 17 Aug 2016, 14:42
Diesel engines burn as much as 30 percent less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing
B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute
C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute
D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors
E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing

Since the underlined portion is preceded by 'less fuel', it has to be followed by a 'than'. Narrowed down to C,D,E.

In E, comparison problem. Action of diesel engines is being compared with gasoline engines rather than action of gasoline engines. Ruled out.

In D, Verb 'emitting' in not in line with the previous verb 'burn'. Ruled out.

Hence 'C'.

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 17 Aug 2016, 18:43
ramonguib wrote:
Diesel engines burn as much as 30 percent less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing
B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute
C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute
D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors
E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing

Doubt about the OA and similar questions:
[Reveal] Spoiler:
I've seen this question in some different ways example 1 and example 2. The second example, just like this question, compares the actions "how much the diesel engines burn in comparison to how much similar engines do". But on the example 1, the OA doesn't have the "do", and it seems that it is comparing how much diesel engines burn to similar engines, is this correct?? Or am I missing something??
Thank you!!


Here are my views--

Option 'A' & 'B' are out as we require than for as much as 30% less fuel...

Option 'E' is out because it eliminated the word 'do' which is require for right comparison.

Between 'C' & 'D' its 'C' because of meaning as 'D' distorts the true meaning.

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 27 Oct 2016, 12:02
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Diesel engines burn as much as 30% less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing

B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute

C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute

D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors

E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing

Last edited by Abhishek009 on 27 Oct 2016, 13:05, edited 1 time in total.
Underlined the relevant part

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 27 Oct 2016, 12:03
Please Vyshak, read the topic before merge it... is not the same question!

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 27 Oct 2016, 13:09
inakihernandez wrote:
Diesel engines burn as much as 30% less fuel as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing to global warming.

A) as gasoline engines with comparable size do, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to be contributing

B) as gasoline engines of comparable size do, emitting far less carbon dioxide and other greenhouse gases, which they have determined to contribute

C) than do gasoline engines of comparable size, and they emit far less carbon dioxide and other greenhouse gases, which have been determined to contribute

D) than do gasoline engines of comparable size, and emitting far less carbon dioxide and other greenhouse gases, which have been determined as contributors

E) than gasoline engines whose size is comparable, and they emit far less carbon dioxide and other greenhouse gases, which have been determined as contributing


Less X than Y
is correct usage, so options (C) , (D) and (E) remains...

Errors in the other options highlighted in red , answer will be (C)
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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 29 Oct 2016, 09:10
Thanks Abhishek009 for your answer! Why E is wrong? Why whose size is comparable is wrong?

Thanks in advance!

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 29 Oct 2016, 09:35
inakihernandez wrote:
HMC wrote:
Inak is the answer C...if yes I will explain my thought.

Sent from my Lenovo A7000-a using GMAT Club Forum mobile app



Many thanks for your answer!! I have some doubts with E... why is it wrong?


Two major flaws in E:

1. The fact that less carbon dioxide is emitted is altogether omitted in this option.

2. Use of perfect participle "having been" is wrong - perfect participle is used to indicate a completed action.
Having completed my homework, I went out to play.
The subject question is not a case in which a completed action is indicated.

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 29 Oct 2016, 09:50
inakihernandez wrote:
Thanks Abhishek009 for your answer! Why E is wrong? Why whose size is comparable is wrong?

Thanks in advance!


3 reasons that E is wrong:

1. "Engines whose size is comparable" is more wordy than "engines of comparable size".

2. Though repeated parts (including verbs) can be omitted from the second element of a comparison structure, in this case omission of "do" is not recommended because it may create an ambiguity. Take the following example:

I like sweets more than Jane.

The above sentence may mean:
a. I like sweets more than I like Jane.
OR
b. I like sweets more than Jane does.

In such structures omission of the verb from the second element is not recommended.

In the above sentence the meaning could be:
a. Diesel engines burn less fuel than they burn gasoline engines. (makes no sense)
b. Diesel engines burn less fuel than gasoline engines do.

In this case since the first sentence does not make sense in the real life, the omission of verb may be acceptable. Yet it is recommended to keep the verb because of structural reasons as stated in the previous example.

3. "Determined as contributing" is a wrong idiom.

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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soumya170293 wrote:
More than 80% time and also is wrong in GMAT for redundancy.

So eliminate C, D

eliminate E for double progressive sense...emitting....and other gases having

I chose B for parallelism burn as much as ....as well as emit...though it has awkward having...

OA is A ...

why plz explain...


One reason to eliminate B is the wrong usage of "having been....". The reason is stated in this post:
diesel-engines-burn-as-much-as-30-less-fuel-than-gasoline-85984-40.html#p1755560

("As much as" and "as well as" have nothing to do with parallelism - they are two independent phrases.)

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 20 Dec 2016, 21:08
felippemed wrote:
Quote:
. ... as well as emitting...


The part above is something rather important that I saw in the website Grammar Quizzes

ADDING DETAILS
An introductory phrase with besides, in addition to, along with,as expresses that we are mentioning, but setting aside, an important detail, in order to mention more details.

After the conjunctive adverb as well as, an ING verb must be included to make them parallel

Along with enjoying what they do, they spend a lot of time together. (information)

We could make our task simpler by inverting the entire phrase

Quote:
As well as emitting far less carbon dioxide gas and far fewer of the other gases that have been implicated in global warming, diesel engines burn as much as 30 percent less fuel than gasoline engines of comparable size.


I am sure that most of us, non-native speakers, would have nailed the question IF the construction were presented like that! :)

GMAT is bias! :lol:


Starting a sentence with "as well as" is incorrect. This phrase is used to add a new item to an item that has already been introduced in the sentence.
Correct: X as well as Y
Wrong: As well as X, Y

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 01 Jan 2017, 11:38
The OA is correct and explanations provided in the thread appear sufficient. If there are any specific questions, please post them here and then click again on the "Request Expert Reply" button – closing this request.

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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New post 02 Jan 2017, 03:26
tejal777 wrote:
. Diesel engines burn as much as 30% less fuel than gasoline engines of comparable size, as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have been implicated in global warming.

A. of comparable size , as well as emitting far less carbon dioxide gas and far fewer of the other gasses that have

B. of comparable size, as well as emit far less carbon dioxide gas and far fewer of the other gasses having

C. of comparable size, and also they emit far fewer carbon dioxide and other gasses that have

D. that have a comparable size, and also they emit far fewer of the other gasses having

E. that have a comparable size, as well as emitting far fewer of the other gasses having


I found this explanation on beatthegmat.com and thought I should share. Here it goes:

In C and E, fewer carbon dioxide is incorrect. Fewer is used to refer to something countable; carbon dioxide is not countable. (Please note that fewer other gases also is incorrect; the correct wording is fewer OF the other gases.) Eliminate C and E.

In D, less...other gases is incorrect. To discuss the NUMBER of the other gases, the correct wording is FEWER of the other gases.
To discuss the AMOUNT of the other gases, the correct wording is LESS OF the other gases. Eliminate D.

In B, having been implicated is used -- incorrectly -- to modify gases. Having + past participle is used to indicate an action that:

-- is completed before the primary action attributed to the modified noun
-- provides context for the primary action attributed to the modified noun

For example:

Having enjoyed the book, John cannot wait to see the movie.

In the sentence above:
Having enjoyed refers to John.
Cannot wait is the primary action attributed to the modified noun John.
Having enjoyed was completed in the past; John cannot wait in the present.
Having enjoyed the book explains why John cannot wait.

In B, the other gases (the modified noun) are not performing a primary action. Hence the use of having + past participle is inappropriate. Eliminate B. [/color]

Hope this is helpful.
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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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sleepynut wrote:
Hi expert,
I couldn't comprehend the usage of "as well as emitting".What emitting refer to?
At first,I think the sentence require another verb:emit.

Please help clarify
Thanks :-)


"Emitting...." is a present participle modifier. Comma + present participle modifier can refer to the subject of the previous clause or the entire previous clause. Here "Emitting..." refers to "Diesel engines" (subject of the previous clause).

"As well as" is not a substitute for "and" - it cannot be used to join two verbs. As a rule, remember that the verb after "as well as" comes in present participle (verb+ing) form. Hence it would be wrong to say "as well as emit".

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of [#permalink]

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VKat wrote:
Is option a correct answer?
and if it is, then "as well as emitting ..." neither maintains parallelism nor behaves like a dependent/independent clause, then how is a correct answer?


Yes, A is the correct answer. The part "as well as emitting ......" is not a clause at all, neither it is a part of a parallel structure. Consider this part a present participle modifier for the entire previous clause.

Many users seem to get confused by the fact that idiomatically "as well as" must go with a present participle, not a verb. Please refer to this post:
https://gmatclub.com/forum/diesel-engin ... l#p1789683

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Re: Diesel engines burn as much as 30% less fuel than gasoline engines of   [#permalink] 02 Feb 2017, 03:41

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