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Cummins Westport begins development on new mid-range natural gas engine; production by 2015

Green Car Congress

diesel engine and will use Cummins Westport’s proven spark-ignited, stoichiometric cooled exhaust gas recirculation (SEGR) technology. Exhaust aftertreatment will be provided by a simple, maintenance-free three-way catalyst (TWC). The ISB6.7 G engine will be based on the Cummins ISB6.7 The base engine is.a The ISB 6.7

Gas 240
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Santa Monica signs 5-year deal with Clean Energy for renewable LNG for bus fleet; deploying CWI Near-Zero NOx engine

Green Car Congress

NO x engine, the first mid-range engine in North America to receive emission certifications from both US Environmental Protection Agency (EPA) and Air Resources Board (ARB) in California that meet the 0.02 This technology was developed to meet the stringent 2010 EPA emission requirements and was introduced with the ISL G in June 2007.

Clean 150
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Study suggests high-mileage light-duty fleets contribute higher emissions and emissions share than expected

Green Car Congress

California uses the EMFAC (EMission FACtors) emissions model; the rest of the US uses the EPA MOVES (Motor Vehicle Emission Simulator) model. High emitters occur as a result of breakage, mal-maintenance (performance modifications, rechipping, and/or after-treatment removal), and at end of a vehicle’s useful life.

Emissions 150
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Ricardo report finds hybrid buses have higher regulated emission intensities than conventional buses; need for whole vehicle testing

Green Car Congress

Example: any technology resulting in periods of engine shutdown in combination with aftertreatment systems relying on achievement/maintenance of light-off temperature. The researchers recommend, however, that consideration of hybrid technologies in the legislative test cycle is needed to facilitate further air quality reduction.

Emissions 231
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Road Test: 2022 Jaguar F-Pace R-Dynamic S Mild Hybrid

Clean Fleet Report

Using 91 octane fuel, the 3.0-liter liter mild hybrid produces 335 hp and has an EPA rating of 20 mpg city/27 highway and 22 combined. Selecting the Dynamic drive mode for a wonderful throaty exhaust note, the acceleration was spirited, with 0-60 mph consistently turned in the 5.2 Hitting the Road. Fun to play with. Warranties.

Hybrid 72
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Road Test: 2024 Genesis G70 3.3T RWD Sport Prestige

Clean Fleet Report

Running on unleaded premium, the EPA has rated the fuel economy at 18 mpg city/27 highway/21 combined. Fuel economy numbers reported by Clean Fleet Report are non-scientific and represent the reviewer’s driving experience using the dash gauge computer. liter V6 that pumped-out 365 horsepower and 376 pound-feet of torque.

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Road Test: 2023 Volkswagen Taos SEL 4Motion

Clean Fleet Report

Fuel economy is EPA-rated at 28 mpg city/36 highway/31 combined for the FWD Taos, with the 4Motion rated at 25/32/28. The twin faux exhaust ports on the lower rear fascia actually don’t look too bad, and the star-patterned 19-inch machined alloy wheels look great.