Engine Fuel Economy Gasoline GMC 
Clean Fleet Report
MARCH 30, 2021
The 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro showed-up in my driveway and the neighbors took notice. Power and Torque and Fuel Sipping. recently drove the 2021 GMC Sierra 1500 4WD Crew Cab AT4, powered by a 3.0-liter liter Duramax turbodiesel engine. Fuel economy for the 3.0-liter
Green Car Reports
SEPTEMBER 4, 2014
General Motors has released the first fuel-economy information for its new 2015 Chevrolet Colorado and GMC Canyon mid-size pickup trucks. So far, however, it includes EPA fuel-economy estimates only for models equipped with the 3.6-liter liter gasoline V-6 and six-speed automatic transmission.
Green Car Congress
JULY 9, 2015
While alternative powertrains still represent a small percentage of market share compared to gasoline engines, the report noted, clean diesels saw a 10% increase in 2014 sales over 2013 sales, while hybrids saw a 10% decrease, pure electrics saw a 20% increase and compressed natural gas saw a 33% decrease. Belzowski 2015. Model year.
Green Car Congress
APRIL 21, 2015
The LH gasoline hydraulic hybrid shows an extreme reduction in NO x compared to a diesel baseline. Broadly, the test results show significant reductions in NO x , particularly against a non-hybrid diesel baseline, and fuel economy improvements of up to 18% for the vehicle and under the drive cycles tested. Click to enlarge.
Green Car Congress
AUGUST 10, 2016
earlier post ) The fuel economy improvement on the EPA UDDS drive cycle also includes a more than 50% reduction in NO x emissions. The XL3 system reduces fuel use through propulsion assist by the electric motor and recharges the battery through regenerative braking. —Ed Lovelace, chief technology officer for XL Hybrids.
Green Car Congress
AUGUST 8, 2012
The new certifications cover approximately 200 2010-2012 General Motors Chevrolet- and GMC-brand light-duty trucks and SUV platforms with 4.8- liter engines. The EPA certifications allow Icom to convert these popular fleet vehicles in the US market for propane/autogas bi-fuel use.
Clean Fleet Report
MAY 22, 2021
According to dozens of automotive story headlines, the internal combustion engine, running on gasoline or diesel, is dead or dying as customers, auto companies and investors flock to electric powertrains. While 2045 may still be more than two decades away, emissions advances in internal combustion engines (ICE) are continuing.
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