It’s Time to Lose Weight – Save Gas, Save The Planet Excerpt
Americans spend an extra $3 billion on fuel because vehicles are heavier than they were in 1960. Cars need to go on a diet. Vehicles can be better designed. Minor reductions in weight and drag can improve fuel economy up to 50 percent for a cost of a couple of hundred bucks. With the growing use of aluminum, composite materials, and aerodynamic design, we will see diesel cars delivering 100 miles per gallon and more if they are hybrid.