To Save on Fuel, Redesign Trucks
?or use pig poop instead of diesel – With the lack of rail roads, most of the long-distance hauling that needs to be done in the US is done by trucks, and truckers are chafing at high gas prices. One problem is that big trucks, unlike cars, are not aerodynamic?there hasn’t been a major design change in years.
Researcher Robert Englar has some ideas about how to improve things. The real problem is the trailers (the big square boxes that are hitched to the cab, where the driver sits). Englar think that something as simple as rounding the edges and installing covers over the tops of the wheels could help.