engine-technology

Almost every day we hear of a shiny new car that gets a certain number of miles to the gallon, a number often greater than its predecessor. It sometimes seems like witchcraft - until significant steps towards high-tech materials are taken, rarely do cars lose weight from one model to the next (with a few honorable exceptions), and weight is generally acknowledged to be an enemy of performance and MPG. So how are our cars getting not only quicker and safer, but more efficient too? Join us as we explore some of the most common techniques for small mileage gains... Long gear ratios, more gears...