Summer’s longest day has passed and the roads are now packed with families heading off for their summer holidays. You might be looking forward to the relaxation of going away on holiday, but the journey? Traffic jams, fractious families and delays getting to airports can all be guaranteed to send a driver’s blood pressure skywards. […]
Car aerodynamics, as we know, play a major part in determining fuel consumption, particularly at higher speeds. The virtues of good aerodynamics were probably best exemplified in the post-war mass car market by the Volkswagen Beetle and small Saabs, although there’s plenty of evidence from earlier times, such as Rumpler’s Tropfenauto (teardrop car) of 1921, […]
This issue focuses on performance, and here we tackle the subject of whether, and how, electronic tuning of diesel engines for added performance delivers a fuel economy bonus, as many tuning companies claim. You may well wonder how you can get more power without burning more fuel, particularly if the whole objective is to go […]
Let’s think about engine oil and its relationship to fuel economy in this issue. Using the correct engine oil keeps your engine running smoothly and efficiently, by stopping the metal surfaces in your engine from grinding together and wearing, primarily by creating a separating oil film between them. That means less friction, and less wasted […]
We recently came across a little snippet that might spark a few pub debates regarding speed humps and fuel consumption. A car tested at steady speeds gave 58mpg in fourth gear at 30mph, but only 52mpg at a steady 20mph in third gear, which supposedly supports the case of those who insist that speed humps […]
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