Multiple choice

Diesel oil is preferred for heavy motor vehicles because of

  1. less damage to engine

  2. higher efficiency and fuel economy

  3. higher industrial production from crude

  4. less consumption

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The diesel engine has proved to be extremely efficient and cost effective. Diesel engines in automobiles provide higher mileage, making it an obvious choice for heavy-duty transportation and equipment. And diesel engines are attracting greater attention due to higher efficiency and cost effectiveness.