199. Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(A) Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(B) Because the underinflation of tires can waste up to five percent of a car's fuel by increasing car-road friction, car owners can substantially boost their vehicles' fuel efficiency by properly inflating the tires.
(C) Their vehicles' fuel efficiency is substantially boosted by car owners through the proper inflation of tires that, when underinflated, can waste up to five percent of car fuel by an increase in car-road friction.
(D) The proper inflation of tires by car owners, due to the fact that underinflation can waste up to five percent of a car's fuel by the increase of car-road friction, can substantially boost their fuel efficiency.
(E) Because up to five percent of a car's fuel are wasted through the increases in car-road friction when the tires are underinflated, car owners properly inflating tires can substantially boost their fuel efficiency.
I narrowed down to B and E, ( 'because' is perfectly used as subordinating conjunction)
C & D make no sense
Cant decide between the two
OA :B
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ayushiiitm
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prinit
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B is the right choice here...ayushiiitm wrote:199. Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(A) Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(B) Because the underinflation of tires can waste up to five percent of a car's fuel by increasing car-road friction, car owners can substantially boost their vehicles' fuel efficiency by properly inflating the tires.
(C) Their vehicles' fuel efficiency is substantially boosted by car owners through the proper inflation of tires that, when underinflated, can waste up to five percent of car fuel by an increase in car-road friction.
(D) The proper inflation of tires by car owners, due to the fact that underinflation can waste up to five percent of a car's fuel by the increase of car-road friction, can substantially boost their fuel efficiency.
(E) Because up to five percent of a car's fuel are wasted through the increases in car-road friction when the tires are underinflated, car owners properly inflating tires can substantially boost their fuel efficiency.
I narrowed down to B and E, ( 'because' is perfectly used as subordinating conjunction)
C & D make no sense
Cant decide between the two
OA :B
A - is wrong.. Car owners who inflate their tires properly
B - Correct and the best among the given choices
C - wrong, ambiguous and awkward beginning -->> Their vehicles' fuel efficiency is substantially boosted by car owners
D - wrong and awkward construction. The proper inflation of tires by car owners
E- wrong -- car owners properly inflating tires can substantially boost their fuel efficiency.
I'm here to BTG 
prinit wrote:B is the right choice here...ayushiiitm wrote:199. Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(A) Car owners who inflate their tires properly can substantially boost their vehicles' fuel efficiency, since the increase in car-road friction can waste up to five percent of car fuel by underinflation.
(B) Because the underinflation of tires can waste up to five percent of a car's fuel by increasing car-road friction, car owners can substantially boost their vehicles' fuel efficiency by properly inflating the tires.
(C) Their vehicles' fuel efficiency is substantially boosted by car owners through the proper inflation of tires that, when underinflated, can waste up to five percent of car fuel by an increase in car-road friction.
(D) The proper inflation of tires by car owners, due to the fact that underinflation can waste up to five percent of a car's fuel by the increase of car-road friction, can substantially boost their fuel efficiency.
(E) Because up to five percent of a car's fuel are wasted through the increases in car-road friction when the tires are underinflated, car owners properly inflating tires can substantially boost their fuel efficiency.
I narrowed down to B and E, ( 'because' is perfectly used as subordinating conjunction)
C & D make no sense
Cant decide between the two
OA :B
A - is wrong.. Car owners who inflate their tires properly
B - Correct and the best among the given choices
C - wrong, ambiguous and awkward beginning -->> Their vehicles' fuel efficiency is substantially boosted by car owners
D - wrong and awkward construction. The proper inflation of tires by car owners
E- wrong -- car owners properly inflating tires can substantially boost their fuel efficiency.
In addition to the above mentioned causes , 5% of the fuel is singular as it mentions the number and when has been used wrongly here.
