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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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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion. from 16.5)

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MAN offering pre-chamber spark plugs for turbocharged nat gas engines to increase efficiency; hydrogen admixture up to 20% by volume

Green Car Congress

MAN Engines is now offering pre-chamber spark plugs adapted to the respective combustion chamber to all turbocharged natural gas engines of the current MAN E3262, E3268, E0836 and E0834 series as an option, as well as MAN E3872 as obligatory. A conversion of the engines is not necessary for the use of pre-chamber spark plugs.

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Aberdeen awards ULEMCo contract for 35 hydrogen dual-fuel utility vehicle conversions

Green Car Congress

ULEMCo has been awarded a major fleet-wide contract by Aberdeen City Council (ACC) for its hydrogen dual-fuel utility vehicle conversions. ULEMCo’s H2ICED allows hydrogen to be mixed with diesel directly in a conventional engine, supplied via onboard gas tanks, in volumes that displace between 30-70% of the energy from diesel.

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SEMA sponsors ZEV conversion rebate bill in California; up to $2,000 rebate

Green Car Congress

Portantino (D-25) and Josh Newman (D-29) introduced Senate Bill 301 , a bill sponsored by the Specialty Equipment Market Association (SEMA), to create a financial rebate program for converting gas and diesel-powered motor vehicles into zero-emissions-vehicles (ZEVs). ZEV conversions are a rapidly growing market, SEMA said.

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Svitzer and Caterpillar partner on methanol as a fuel in newbuilds and conversions of existing tugs

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The implementation of dual-fuel methanol engines focuses on new tugs as well as conversions of existing Cat-powered tugs, which comprise the majority of Svitzer’s fleet.

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Wärtsilä to launch 2-stroke future fuels conversion solution; partners with MSC for technology demonstration

Green Car Congress

The technology group Wärtsilä will commercially launch its Two-Stroke Future Fuels Conversion platform during the first quarter of 2022. This innovative and patented engine combustion technology platform will enable the fast and cost-effective conversion of two-stroke main engines to operate on clean-burning future fuels.