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Cadillac ELR EREV uses active noise canceling across all engine speeds

Green Car Congress

The 2014 Cadillac ELR extended range electric vehicle uses active noise canceling across all engine speeds when the on-board gasoline-powered electric generator turns on for extended-range driving. —Chris Thomason, ELR vehicle chief engineer.

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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. or so, according to Thomas, resulting in the total possible benefits ranging from about 6% to 17%.

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Scania unveils new heavy-duty global engine platform

Green Car Congress

Scania unveiled its new global engine platform that will be used worldwide for all emission standards: Euro 3, Euro 4, Euro 5, EEV and Euro 6. European markets also have access to an extended range of Euro 5 and EEV engines with SCR technology. The engines can operate on up to 100% biodiesel.

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Report: Mercedes pulls the plug on range-extended EV possibilities

Baua Electric

Mercedes-Benz is scrapping extended-range EV powertrains after tests of prototypes, according to an Autocar report citing an anonymous source with knowledge of the matter. This engine reportedly acted purely as a generator, supplying power to an electric motor rather than directly driving the wheels.

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New 600kW Mercedes-AMG GT 63 S E Performance hybrid hits 100km/h quicker than you can say its name

EV Central

Forget the multi-million-dollar Mercedes-AMG ONE hypercar and its real F1 engine because if you’re looking for the quickest Benz of all time you’ll need the Mercedes-AMG GT 63 S E Performance that will arrive in Australia in the first half of 2025. But even with half an engine it still produces 310kW.

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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. —Skarke et al.

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Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

Green Car Congress

In October 2015, the US Department of Energy’s (DOE) launched a broad, joint effort to co-optimize the development of efficient engines and low greenhouse-gas fuels for on-road vehicles with the goal of reducing petroleum consumption by 30% by 2030 beyond what is already targeted. How do engine parameters affect efficiency?

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