Farm tractors traditionally use diesel engines. But, even though today’s diesels are cleaner than ever, agricultural engineers are scrambling to find alternative power sources.
NORTH CHARLESTON, SC—Boeing’s new assembly plant here is getting much of its power from a 2.6-megawatt solar panel array on its roof. The largest rooftop solar installation in the Southeast, the array generates enough power for 250 homes.
LOS ALAMOS, NM—Thin-film solar cells could be made far more efficient with the addition of bundles of carbon nanotubes, according to researchers at Los Alamos National Laboratory.
