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Study finds propane school buses significantly decrease NOx emissions compared to diesel

Green Car Congress

According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. For the stop-and-go route, NO x emissions were 34 times higher for the diesel school bus.

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EQT launches pilot program to convert Marcellus drilling rigs to LNG

Green Car Congress

Appalachian area natural gas producer EQT Corporation launched a pilot program to begin converting drilling rigs to liquefied natural gas (LNG), displacing the diesel used to power equipment at the well site. The LNG being used for EQT’s pilot program is produced locally from Marcellus natural gas reserves.

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UPS to invest more than additional $90M in natural gas vehicles and infrastructure; 6 new CNG stations, 440 vehicles

Green Car Congress

UPS plans to build an additional six compressed natural gas (CNG) fueling stations and add 390 new CNG tractors and terminal trucks and 50 liquefied natural gas (LNG) vehicles to its alternative fuel and advanced technology fleet. million gallons of renewable natural gas. The six new CNG stations will be built in Ontario, Calif.;

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ICCT-sponsored study of in-use testing of 3 Tier2-Bin5, CA LEV-II light-duty diesels finds wide variation of emissions against the limits

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In-use testing of three light duty diesel vehicles—certified to US-EPA Tier2-Bin5 and California LEV-II ULEV emissions limits— found a wide variation in real world emissions performance relative to the regulatory limits. diesels and one 3.0L diesel) over pre-defined test routes exhibiting diverse driving conditions.

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EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

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liter, four-cylinder diesels include software (a “defeat device”) that circumvents EPA emissions standards for NO x. The allegations cover roughly 482,000 diesel passenger cars sold in the United States since 2008. Affected diesel models include: Jetta (Model Years 2009 – 2015). collectively referred to here as Volkswagen).

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Lux: VW “actually in a strong position to innovate their way out of this mess”

Green Car Congress

VW was slowly moving beyond conventional gasoline and diesel engines anyway, Lux noted, with plans of putting out 20 more plug-in vehicles by 2020 ( earlier post )—such as the production version of the Audi e-tron quattro. Diesel passenger vehicle sales in the US will drop drastically. Earlier post.)

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Lightning Hybrids releases initial emissions testing results for medium-duty hydraulic hybrids

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Hydraulic pumps/motors and an accumulator (power storage unit) are added to gasoline, diesel, propane or CNG engines to store braking energy and use the captured energy to accelerate the vehicle, significantly saving fuel and brakes and cutting emissions. Fleets Hybrids Hydraulic Hybrid'

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