At the bottom of the screen, a calculation of the vehicle´s gas mileage at the current instant is displayed; it ranges from about 7 MPG (when I floored the accelerator from a stop) to 99 MPG (on any flat or downhill road).
While SUVs have become more fuel-efficient, explains Champion, the greater number on the road has lowered the average fuel mileage.
This index is essentially the opposite of the octane rating, where a high octane fuel resists spontaneous ignition, and therefore does not tend to ´knock.´ The cetane number of 100 was arbitrarily assigned to ´cetane´ or n-hexadecane, a straight-chain aliphatic chemical compound that burns very well, in the single-cylinder test diesel engine.
How to save money by improving fuel economy and performance in any vehicle by up to 30% or more without expensive gadgets. Gas Mileage Bible is a must for anyone who drives a car. Simple scientific explanations on what causes losses and gains in fuel economy. Clear-cut gas-saving solutions, breaking down into straightforward categories: "no tech", "low tech", and "high tech".
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