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 enhanced system includes an updated wave piston design that offers a higher compression ratio of 18.1. The enhanced system includes an updated wave piston design that offers a higher compression ratio of 18.1.
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