Remove Diesel Remove Exhaust Remove Fuel Remove Powered
article thumbnail

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.

Engine 368
article thumbnail

MAN Engines puts first dual-fuel hydrogen-powered engines for workboats into operation

Green Car Congress

MAN Engines recently put its first two dual-fuel hydrogen-powered engines for work boats into serial operation. The engines are twelve-cylinder diesel engines of type MAN D2862 LE448, each with an output of 749 kW (1019 hp) at 2100 rpm. 5% of diesel fuel. —Werner Kübler, Head of Development at MAN Engines.

Engine 326
article thumbnail

SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

Green Car Congress

Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.

Cleaner 321
article thumbnail

Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Green Car Congress

Achates Power announced that the 10.6-liter, liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor.

Diesel 468
article thumbnail

WinGD and HSD Engine collaborate to deliver methanol-fueled two-stroke engines

Green Car Congress

Swiss marine power company WinGD and Korean engine builder HSD Engine have initiated a Joint Development Project (JDP) to advance the development of WinGD’s methanol-fueled big-bore engines. Under the JDP, WinGD will oversee combustion and injection research, exhaust aftertreatment requirements and engine concept design.

Engine 370
article thumbnail

MAN Engines approves off-road engines for use with regenerative diesel/HVO

Green Car Congress

According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975. Marine engines for regenerative diesel have already been approved.

Engine 221
article thumbnail

Mercedes-Benz Trucks launching 3rd generation of OM 471 heavy-duty diesel

Green Car Congress

Mercedes-Benz Trucks is introducing the third generation of its OM 471 heavy-duty diesel engine this year; the engine will deliver increased fuel efficiency and compliance with the strictest emissions standards such as Euro VIe. Further optimized combustion, application-oriented turbochargers and reduced friction.

Mercedes 435