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Cut gas and oil use with RYOBI’s 42-inch zero turn electric riding mower at $3,499 in New Green Deals

Electrek

Riding mowers have long been the tool of choice for larger yards, and have also long been a gas-guzzling and maintenance-ridden machine. It can cut up to three acres on a single charge and doesn’t have any noisy motors, smelly exhaust, or troubling maintenance to take care of.

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

Green Car Congress

For example, the geometry of the piston recess, the injection nozzle design and the parameters of the cylinder head relevant for gas exchange were subject to an extensive optimization process. Reduced friction losses and pressure control with low-viscosity oil. Newly-developed exhaust gas aftertreatment system.

Mercedes 435
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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

The common rail pump was externally lubricated by engine oil so that it can handle the low fuel lubricity. The engine was also equipped with an electrically driven volumetric pump in the exhaust gas recirculation (EGR) path which gives the freedom to set any desired EGR rate, independently from the pressure ratios across the turbocharger.

Engine 368
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Empa and partners exploring DME as fuel with new heavy-duty test engine

Green Car Congress

In cooperation with a major European supplier, a new oil-lubricated common-rail pump had therefore been developed. An electrically driven compressor for precise exhaust gas recirculation is also used. This is done via exhaust gas recirculation (EGR). —Patrik Soltic.

Engine 410
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MHI Develops Hybrid Turbocharger to Generate Electricity Utilizing Exhaust Gas from Marine Engines

Green Car Congress

(MHI) has developed a generator-integrated hybrid turbocharger for marine propulsion diesel engines which utilizes engine exhaust gas not only to drive the turbocharger but also to generate electricity. The MET83MAG is capable of supplying all electric power necessary during normal sea going. Click to enlarge.

Exhaust 199
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ARPA-E announces $35M for technologies to reduce methane emissions

Green Car Congress

ARPA-E announced up to $35 million for a new program focused on developing technologies to reduce methane emissions in the oil, gas, and coal industries: “Reducing Emissions of Methane Every Day of the Year” ( REMEDY ) ( DE-FOA-0002504 ). Coal mine ventilation air methane (VAM) exhausted from operating underground mines.

Emissions 186
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Why gas bikes just can’t compete with electric motorcycles in the summer

Baua Electric

For gas motorcycle riders, a scorching hot planet isn’t the only immediate source of discomfort outside. The benefit of riding electric is two-fold… The cold hard truth: electric motorbikes are the future First, and I know I’m preaching to the choir here, but electric motorcycles are clearly the future.