Driving the economical ‘Purple Haze’

Low revs yield great miles per gallon for Joel Morrow’s I-Torqued Volvo.

June 2023

Tom Berg

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Engines are slowing down, even if trucks aren’t. “Down-speeding” is in, maybe not with you but
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Tom Berg worked his way through college by driving trucks. Since 1978, he’s been writing about trucks and trucking. He holds a Class A commercial driver’s license and drives trucks as part of story research. While semi-retired, Berg still writes about semis as a contributing editor at Land Line.