Green Car Congress
OCTOBER 16, 2013
General Motors will build a Chevrolet Impala sedan for retail and fleet customers that operates on either gasoline or compressed natural gas (CNG), GM Chairman and CEO Dan Akerson announced today. CNG vehicles typically have 20% fewer greenhouse gas emissions than gasoline-powered cars, according to the California Air Resources Board.
Green Car Congress
NOVEMBER 6, 2014
In a newly published SAE paper, a team from Ford, General Motors and AVL argues that the exclusive use of a match blending approach to prepare ethanol-gasoline blends for regulatory emissions testing “has fundamental flaws”. 2014) “Issues with T50 and T90 as Match Criteria for Ethanol-Gasoline Blends,” SAE Int. Earlier post.).
Green Car Congress
JANUARY 15, 2018
The first result of this agreement is the demonstration vehicle that will be shown at the 2018 North American International Auto Show (NAIAS): a light-duty truck with an Opposed-Piston Gasoline Compression Ignition (OPGCI) Engine. six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions.
Green Car Congress
NOVEMBER 11, 2013
A study by a team at the Propulsion Systems Research Labs, GM R&D has concluded that the combustion instability of homogeneous charge compression ignition (HCCI) at the low-load range is caused by lack of oxygen concentration rather than lower in-cylinder mixture temperature. Earlier post.). Earlier post.).
Green Car Congress
JANUARY 1, 2011
A 1966 article in ACS’ Chemical & Engineering News described a General Motors press conference at which the automaker outlined research work being done on non-gasoline-based automotive power sources, with a heavy emphasis on the electrical. For good measure, GM also described work on gas turbines and the Stirling thermal engine.
Green Car Congress
JULY 12, 2013
GM has made three product commitments for 2017 related to its sustainability strategy: to have 500,000 vehicles on the road in the US with some form of electrification ( earlier post ); to double the number of US models that can achieve an EPA-estimated 40 mpg US (5.9 In 2012, GM invested more than $7.3 Earlier post.). Earlier post.).
Green Car Congress
AUGUST 6, 2014
Graphic from GM, Edwards AMR 2014 presentation. The umbrella projects addresses specific technology barriers identified by DOE and industry stakeholders; Ford and GM had expressed interest in working with Oak Ridge in these areas, and GE came later and was worked in under the same project, notes Edwards. Resources.
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