DVSA Environmental Awareness

Question 1

What is the most fuel-efficient way to drive?

Accepted Answer

Use smooth acceleration, read the road ahead, and maintain a steady speed

Answer

Accelerate hard and brake late

Answer

Drive in the lowest gear possible

Answer

Keep the engine revving at high RPM

Question 2

How does driving at higher speeds affect fuel consumption?

Accepted Answer

Fuel consumption increases significantly — driving at 70 mph uses up to 30% more fuel than at 50 mph

Answer

It has no effect

Answer

Higher speeds are more fuel-efficient due to momentum

Answer

Only diesel vehicles are affected

Question 3

What is the purpose of a catalytic converter?

Accepted Answer

To convert harmful exhaust gases into less harmful substances

Answer

To reduce engine noise

Answer

To improve fuel consumption

Answer

To filter particulates from diesel exhaust

Question 4

Why should you avoid unnecessary engine idling?

Accepted Answer

It wastes fuel, increases emissions, and is illegal in some areas with a fixed penalty notice

Answer

It only wastes a tiny amount of fuel

Answer

It has no environmental impact

Answer

Modern engines don't idle

Question 5

What is the benefit of keeping your tyres at the correct pressure for fuel economy?

Accepted Answer

Correctly inflated tyres reduce rolling resistance, improving fuel efficiency by up to 2%

Answer

It makes no difference

Answer

Only over-inflation saves fuel

Answer

Tyre pressure only affects handling, not fuel use

Question 6

What is a ULEZ (Ultra Low Emission Zone)?

Accepted Answer

An area where vehicles must meet minimum emission standards or pay a daily charge

Answer

A motorway lane for electric vehicles

Answer

A zone where only bicycles are allowed

Answer

A car-free city centre