Remove CO2 Remove Emissions Remove Fuel Economy
article thumbnail

Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2

Green Car Congress

A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Also since 1975, light-duty vehicle travel increased by 134% while fuel use increased by only 37%.

article thumbnail

EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Green Car Congress

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

article thumbnail

EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

Green Car Congress

Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. Preliminary projections for MY 2012 are 374 g/mi CO 2 emissions and 23.8 Source: EPA. Click to enlarge.

article thumbnail

EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

Green Car Congress

The majority of the emissions and fuel savings from current vehicles, EPA noted, is due to new gasoline vehicle technologies. The final model year (MY) 2012 adjusted, real world CO 2 emissions rate is 376 g/mi—a 22 g/mi decrease (-5.5%) relative to MY 2011. MY 2012 adjusted fuel economy is 23.6 mpg, or 22%.

article thumbnail

True Or False? Better Diesel Fuel Economy Is An Efficient Form Of Decarbonization

CleanTechnica EVs

Diesel fuel economy has been on the minds of long-haul trucking industry leaders. A push to decarbonize trucking is largely due to the fact that more than 3% of all carbon dioxide (CO2) emissions come from heavy trucks. Better Diesel Fuel Economy Is An Efficient Form Of Decarbonization appeared first on CleanTechnica.

article thumbnail

EPA trends report finds MY 2021 fuel economy remained flat at a record high while CO2 levels hit new low

Green Car Congress

The US Environmental Protection Agency (EPA) released its annual Automotive Trends Report , which shows that model year (MY) 2021 vehicle fuel economy remained at a record high—but flat with MY 2020 fuel economy—while CO 2 emission levels reached a new record low. Source: EPA. Source: EPA.

article thumbnail

Volkswagen launches second-generation Santana; up to 28% improvement in fuel economy and CO2 emissions

Green Car Congress

The new Sanata improves fuel economy and CO 2 emissions by up to 28% compared to the previous model. First introduced in China in the 1980s, the first generation sold nearly 4 million units, and is one of the most successful models in China.