The Misano Chip has been delivering 44 mpg in colder air temperatures which tend to decrease fuel mileage.
While SUVs have become more fuel-efficient, explains Champion, the greater number on the road has lowered the average fuel mileage.
Because of spikes in gas prices, even more businesses are looking for wiggle room on their mileage rates, said Allenstein, who advises employers in Wisconsin, Minnesota, Michigan, Indiana and Ohio.
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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