Volvo Trucks extends XE fuel efficiency package to 16L engine
Green Car Congress
APRIL 20, 2012
The XE16 package reduces cruising rpm from 1425 to 1225 at 62 mph (100 km/h), yielding about a 3% fuel efficiency improvement. rear axle ratio and overdrive I-Shift transmission, will operate within its sweet spot throughout the vehicle speed range to improve fuel efficiency for this class of vehicle. ratio instead of the 3.73
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