Petrol cars and diesels can also get more or fewer miles to the gallon depending on how they are driven , but irrespective of the distance the owner drives .
司机驾驶汽油车和柴油车的方式或多或少会对油耗产生影响,但却与行驶的里程数无关。
It quotes estimates by the department of energy which say that if only one-third of america 's cars and light trucks were diesels , this would save a quantity of oil equivalent to the country 's imports from saudi arabia .
Imagine a city like los angeles but replace the majority of vehicles with older diesels , and you can picture the sort of soot-clogged streets that cause real health problems in cities like mumbai .
In europe , the solid but ageing yaris and the dull auris left it poorly placed to exploit the scrappage schemes that boosted sales , and its lack of a full range of competitive diesels continues to hinder it .