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 […]
This month, Victor Harman takes a look at the predecessors to Volkswagen’s BlueMotion technology.
We seem to have reached something of a critical point in diesel fuel economy, with a good number of smaller diesel cars now offering EC combined figures of around 80mpg.
This month Victor Harman is talking holiday economics.
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