Automobile Downsizing Fuel Economy Light 
Green Car Congress
AUGUST 2, 2009
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. Knittel, 2009. Click to enlarge.
Green Car Congress
APRIL 2, 2020
In response, MECA (Manufacturers of Emission Controls Association), commented : Suppliers of emission control and efficiency technologies will continue to innovate and introduce new advancements to further improve fuel efficiency while continuing to lower tailpipe emissions across the light-duty vehicle fleet.
Green Car Congress
SEPTEMBER 30, 2014
Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.
Green Car Congress
OCTOBER 25, 2012
A 110cc pre-production prototype of a Pinnace Engine 4-stroke opposed piston scooter engine ( earlier post ) showed approximately a 27% improvement in fuel consumption across different scooter cycles compared to a conventional benchmark engine in dynamometer and simulation testing by FEV. That’s what needed all over Asia.
Green Car Congress
JUNE 4, 2010
Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council.
Green Car Congress
SEPTEMBER 2, 2010
New fleet efficiency horizon in terms of energy intensity and fuel consumption. Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., Adjusted on-road fuel economy correspondingly would be 41 mpg (5.74 —A Fuel Efficiency Horizon for US Automobiles.
Green Car Congress
JUNE 28, 2010
The presence of low-speed pre-ignition is considered a major impediment to automobile manufacturers’ efforts to aggressively downsize engines to reduce carbon dioxide emissions. This four-year program expands on earlier efforts to improve gasoline engine technology for future emissions and fuel economy requirements.
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