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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. Cummins Inc. and Cummins Westport Inc.

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CARB approves updated “At-Berth” regulation, expanding efforts to cut pollution from ships in California ports

Green Car Congress

The rule builds on progress achieved by the At-Berth Regulation adopted in 2007. That rule has achieved an 80% reduction in harmful emissions from more than 13,000 vessel visits since 2014.

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Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

According to the lawsuit, RAM owners report that efforts to fix the faulty emissions system significantly affect engine performance and mileage, with miles per gallon dropping as much as 25%. L Cummins diesel engine to see if they might be entitled to compensation.

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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

Green Car Congress

As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance.

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Renault Sport F1 introduces revamped 2015 hybrid power unit

Green Car Congress

Renault Sport F1 has unveiled its 2015 power unit for Formula 1 racing, which incorporates a number of changes compared to its 2014 predecessor ( earlier post ). 2015 is the second year of competitive use for the power units that feature a V6 turbocharged internal combustion engine coupled to energy recovery systems. —Rob White.

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ULEMCo delivers first hydrogen-diesel dual-fuel refuse trucks to Fife Council in Scotland

Green Car Congress

The dual-fuel engines are equipped with hydrogen injection and a separate ECU control system. The higher compression of the diesel engine improves thermodynamic efficiency; running the system throttle-less is ideally suited to hydrogen’s wide combustibility range (like diesel itself). InTech, doi: 10.5772/54613.

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Mercedes-AMG HPP awarded Dewar Trophy for PU106A Hybrid F1 Power Unit

Green Car Congress

The aim for 2014 was to raise the engine efficiency from around 29% for the previous normally aspirated 2.4-liter Previous Formula One regulations have concentrated on a simple mechanical limitation such as engine capacity. This led to very high-revving engines with limited relevance to road cars. Earlier post.).

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