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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

Green Car Congress

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.

Exhaust 218
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Construction Companies Are Turning to EVs

Clean Fleet Report

EVs do not contribute to noise pollution. Greater Efficiency Volvo Construction Equipment has a lineup of EVS Idling accounts for more than 6 billion gallons of lost diesel and gasoline annually, costing construction companies over $11 billion. Additionally, diesel-powered equipment is inefficient and harms the environment.

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York, Empa study finds retrofitting of VW diesel engines was successful

Green Car Congress

Stuart Grange works in Empa’s Air Pollution/Environmental Technology Laboratory and also at the Wolfson Atmospheric Chemistry Laboratories at the University of York. Together with his colleagues, he used a special instrument to examine the exhaust plumes of 23,000 passing cars and analyzed the levels of NO x and CO 2. 0c00188.

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Regina steps up, adding 53 electric buses to its public transit fleet

Baua Electric

A subsidiary of the Volvo Group based in Quebec, Nova Bus manufactures long-range electric bus options with absolutely massive battery packs — up to 564 kWh on its biggest models , with the option of DC fast-charging or charging through overhead wires. This isn’t a left-wing conspiracy. FTC: We use income earning auto affiliate links.

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European, Japanese and American Heavy-Duty Vehicle and Engine Manufacturers Call for Global Policy Cooperation to Improve Energy Efficiency and Emissions of Road Freight Transport

Green Car Congress

That will serve both our customers and the environment. WHDC (gtr 4) specifies test procedures for compression-ignition (CI) engines and positive-ignition (PI) engines fuelled with natural gas (NG) or liquefied petroleum gas (LPG) with regard to the emission of pollutants.

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Road Test: 2022 Acura RDX SH-AWD A-Spec Advance

Clean Fleet Report

Managed by the large wheel on the center console, selecting one of the modes integrates specific driving dynamics that affect the throttle response, steering, suspension dampers, and the exhaust note. LED tail lights and twin, round chrome exhaust tips on the outer edges of the fascia completed the rear design. Interior: Quiet Comfort.

Acura 77