what are the advantages and disadvantages of a diesel engine?
['Diesel engines are more efficient. They can use up to 30% less fuel.[1]', 'They have lower CO2 emissions by 20%[2] so are often in a lower tax band. ... ', "They're more powerful when towing a caravan or trailer.", 'Diesel engines usually have a longer life span.', 'Diesel cars depreciate at a slower rate.']