Add Yahoo as a preferred source to see more of our stories on Google. Sep. 6—Diesel engines have been the norm for heavy-duty long-haul trucks since the mid-20th century. But the black smoke belching ...
LOS ALAMOS, N.M. – There’s been a big push in recent years to make roads a little greener – now Los Alamos National Lab has big plans for those big rigs. Recent data estimates diesel-powered trucks ...
Sep. 6—Diesel engines have been the norm for heavy-duty long-haul trucks since the mid-20th century. But the black smoke belching from the big rigs has become a growing concern as research shows ...
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