Environmentalists and car crafters make strange, if not odd-opposite, bedfellows. The greenies are all over this not-so-new, environmentally friendly, renewable resource ethanol fuel that even has GM ...

Fuel economy testing is a game of inches. Unless you're comparing a classic-style tractor and a bare-bones dry van to the latest aero tractor and slick, aero-festooned trailer, you're not going to see ...