In the 1900s,fuel efficiency in transportation greatly increased when engines were converted from
A)natural gas to coal and steam.
B)oil to coal and steam.
C)coal and steam to gasoline.
D)natural gas to gasoline.

Question

Quizplus · Accepted Answer

In the early 1900s, the most common engines used in transportation were powered by coal and steam. However, these engines were not very fuel-efficient and had many disadvantages such as slow start-up times and high maintenance costs. With the development of gasoline engines, vehicles became more fuel-efficient, faster, and easier to maintain. Therefore, the conversion from coal and steam to gasoline greatly increased fuel efficiency in transportation.

In the 1900s,fuel Efficiency in Transportation Greatly Increased When Engines