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Rolls-Royce successfully tests 12-cylinder mtu engine with pure hydrogen

Green Car Congress

Rolls-Royce has conducted successful tests of a 12-cylinder gas variant of the mtu Series 4000 L64 engine running on 100% hydrogen fuel. For several months, the mtu gas engine has been undergoing bench testing and continuous improvement in terms of efficiency, performance, emissions and combustion using 100% hydrogen as fuel.

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First MAN ME-GA Otto-cycle engine completes gas trials

Green Car Congress

MAN Energy Solutions announced that the first ME-GA engine has completed gas trials aboard an LNG carrier built by Hyundai Samho Heavy Industries (HSHI) for Norwegian shipping company, Knutsen OAS Shipping. The new engine is an Otto-cycle variant of the company’s successful ME-GI engine. —Thomas S.

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Stena Line seeking novel approaches to recover energy from exhaust gases from ship engines

Green Car Congress

Stena Line is seeking novel, cost-effective approaches to recover energy from exhaust gases from ship engines and to transform it into a more useful energy form (e.g., The company is also interested in efficient turbine systems that generate electricity from the kinetic energy from the massflow and velocity of the exhaust gases.

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EPA collects penalties for alleged automobile ‘defeat device’ violations by two Iowa companies

Green Car Congress

The US Environmental Protection Agency (EPA) has reached settlements with two Iowa companies for allegedly tampering with car engines to render emissions controls inoperative, in violation of the federal Clean Air Act. of West Des Moines installed “defeat devices” in at least five vehicles.

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Yamaha and Sumitomo demo on-board thermoelectric generator for CO2 reduction

Green Car Congress

a Sumitomo Corporation Group company, jointly demonstrated a new waste heat recovery system based on a thermoelectric generator (TEG), which generates electrical power via exhaust gas heat. The companies estimate the potential benefit of the TEG to be up to 3.1% g/km) by optimizing the vehicle installation of TEG unit.

CO2 329
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Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

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Volkswagen continues to refine its most important diesel engine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company. As previously, the 2.0 This has a volume of 3.4

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Cummins and Cummins Westport recalling 25,013 natural gas engines over exhaust fire risk

Green Car Congress

are recalling a total of 25,013 Cummins Westport Model ISL G and ISX12 G natural gas engines manufactured between 2007 and 2014 due to a risk of elevated exhaust temperatures or flames from the exhaust under certain conditions. In most cases, this improper operation will result in the engine running rough and misfiring.

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