Oct 02, 2019 at 10:21 AM CST
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The Energy Department's Vehicle Technologies Office's "fact of the week" pulls data on 2 key categories of medium- and heavy-duty trucks to illustrate what prolific fuel users they are. The big picture: As the chart above shows, in 2017 they consumed over one-fourth of the fuel used on U.S. roads despite being just 4.5% of the vehicles. "Combination" trucks alone — that is, tractor trailers — accounted for 17% of that consumption. |