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GM, Ford R&D execs stress importance of improved, advanced fuels for future engine efficiency gains, GHG goals

Green Car Congress

In separate presentations at the 2017 SAE High Efficiency IC Engine Symposium in Detroit, R&D executives from GM and Ford each stressed the importance of improved, advanced fuels—among other technology developments—for their future engine efficiency gains and for long-term CO 2 emissions goals. Near zero sulfur (.

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Team from GM, Ford, FCA reviews how to calculate engine efficiency benefits of high octane fuels

Green Car Congress

A team of engineers from GM Powertrain, Ford and FCA have published a detailed review of how to estimate the engine efficiency benefits of higher octane fuel—e.g., fuel with higher ethanol content—for part- and full-load operation for different engine types and fuel assumptions. —Leone et al.

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GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

Green Car Congress

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.).

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General Motors plans to be carbon-neutral by 2040; eliminate LDV tailpipe emissions by 2035

Green Car Congress

GM plans to become carbon-neutral in its global products and operations by 2040 and has committed to setting science-based targets to achieve carbon neutrality. The use of GM’s products accounts for 75% of carbon emissions related to this commitment. The company has also signed the Business Ambition Pledge for 1.5?C, Electrification.

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Study Assesses Product Attribute Trade-offs and Technological Progress; Meeting Proposed Obama Fuel Economy Standards Will Require Downsizing and Change in Fleet Mix

Green Car Congress

Changes in the attributes (clockwise from upper left, weight, power, fuel economy and torque) of the Honda Accord over time as an example of fleet trends in the US. In contrast, fuel economy actually increased by 15% during that period. Volvo is the most efficient manufacturer of light duty trucks, followed by Subaru, GM and Honda.

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GM Highlights Engineering Advances With Second-Generation Fuel Cell System and Fifth-Generation Stack; Poised for Production Around 2015

Green Car Congress

GM’s second-generation fuel-cell system (engineer included for scale.) The first generation fuel cell system (with fourth-generation stack technology) used in the Equinox. In 2007, GM took fuel cell development activity out of R&D and moved it over to GM Powertrain, along with 500 scientists and engineers.

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Survey: Fuel efficiency top criterion for US buyers regardless of size of vehicle; good news for start-stop

Green Car Congress

American consumers are strongly influenced by fuel efficiency and the price of gas when purchasing a vehicle, according to a new survey conducted by the Opinion Research Corporation on behalf of Johnson Controls. The next big technology in the US is start-stop, with an increase in fuel efficiency of up to 5%, she suggested.

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