What makes the vehicle in the picture 'environmentally friendly'?
- A It's powered by gravity
- B It's powered by diesel
- C It's powered by electricity
- D It's powered by unleaded petrol
Why this is the answer
Trams are powered by electricity and therefore do not emit exhaust fumes. They ease traffic congestion by offering drivers an alternative to using their car, particularly in busy cities and towns.
Why the other answers don't fit
- A
- It's powered by gravity — Nothing on the road runs on gravity.
- B
- It's powered by diesel — Diesel is exactly what produces the emissions being avoided here.
- D
- It's powered by unleaded petrol — Cleaner than leaded, but still a fuel burnt in an engine.
Where this comes from
- Driving: the essential skills — section 17
Rule numbers link to The Highway Code on gov.uk.
Where this question comes from
The question, its options and the explanation are reproduced word for word from the DVSA revision question bank under licence. The licence requires them to appear unaltered, so we cannot reword them and neither can anyone else — that is why you will meet the same wording on other sites. Everything else on this page is written by Theory Hub: the explanation of why each wrong answer is wrong, the topic guide and the revision notes.
Asked in: Car , Motorcycle
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