Feature: How to achieve extreme fuel economy

Hypermiling... I've only heard about it for a couple of weeks now but before that, it was non-existent to me. Hypermiling is about driving carefully and efficiently as possible to gain the best fuel economy.Jim Kelly plods along a back-country road, hugging the right side of the right lane. He constantly looks for traffic, both behind him and far ahead. "That red light's not likely to change in