Why Are Vehicles Still so Heavy? Blame Manufacturing Infrastructure

Car manufacturers have achieved significant fuel economy gains in recent years, but the improvements largely come down to upgraded drivetrain efficiency. Vehicles still weigh substantially more today than they did in the early 1980s, when the previous decade's demand for fuel economy improvements forced the issue. Since then, automobiles have gradually packed on the pounds — negatively […] The post Why Are Vehicles Still so Heavy? Blame Manufacturing Infrastructure appeared first on The Truth About Cars. from The Truth About Cars http://ift.tt/Jh8LjA