Volvo Trucks’ D13 Turbo Compound engine now standard on all VNL models; 6% better fuel economy over 2020 engine
Green Car Congress
OCTOBER 8, 2021
Excess heat and pressure from the exhaust gas are recaptured by the turbo-compound unit. The Volvo integrated driveline then uses extreme downspeeding to maintain road speed at lower RPM, saving even more fuel. Dynamic torque integrates seamlessly with all three available drive modes: performance, economy, and extra economy.
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