Which is better petrol or diesel?

Which car is better diesel car or petrol car?

• Answer:

  It depends on what your needs are: if you want to get better mileage get a diesel or hybrid petrol car - but they cost more to buy than regular cars that run on unleaded. Diesel usually has more power at low revs but much slower acceleration. Diesel smoke is not pleasant smelling and when diesel gets cold it becomes harder to burn. With new technologies - like variable geometry turbos - now even diesel cars have become more responsive to the throttle with reduced lag. Moreover diesel is cheaper than petrol in many countries. (In the UK diesel actually costs more per gallon than regular unleaded petrol.) If we consider heavy vehicles such as trucks and buses, to move the heavy load diesel is used because they need their energy produced as highest possible torque at low engine revs, not maximum road speed.