article thumbnail

U of Toronto study finds US electrification of LDV fleet not a silver bullet for tackling climate change in vehicle sector

Green Car Congress

a,b, Baseline cases (top dark-blue bar) and changes in emissions associated with increasing LDV travel demand, fuel consumption standards and electrification assuming current fuel economy policy (SAFE standards) (a) and stringent fuel economy policies (CAFE standards for conventional vehicles, along with high vehicle size and weight control) (b).

article thumbnail

EPA: US GHG emissions up 6% in 2021 from 2020

Green Car Congress

Fuel economy of light-duty vehicles is another important factor. The decline in new light-duty vehicle fuel economy between 1990 and 2004 reflected the increasing market share of light-duty trucks, which grew from about 29.6% Emissions from petroleum consumption for transportation decreased by 4.0%

EPA 259
article thumbnail

UGA study finds black carbon aerosols from GDI engines will worsen public health, climate; need for GPFs

Green Car Congress

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency. A strong absorber of solar radiation, black carbon exhibits significant climate warming properties.

Climate 348
article thumbnail

EPA, NHTSA issue One National Program Rule; EPA withdraws CA waiver for GHG and fuel economy

Green Car Congress

Specifically, in this action, NHTSA is affirming that its statutory authority to set nationally applicable fuel economy standards under the express preemption provisions of the Energy Policy and Conservation Act (EPCA) dictates that such state and local programs are preempted. Earlier post.)

article thumbnail

EPA’s annual automotive trends report shows slight increase in fuel economy from MY2017 to MY2018

Green Car Congress

In the US, Model Year (MY) 2018 vehicle fuel economy was 25.1 Since MY 2004, CO 2 emissions have decreased 23%, or 108 g/mi, and fuel economy has increased 30%, or 5.8 Average estimated real-world CO 2 emissions are projected to fall 6 g/mi to 346 g/mi and fuel economy is projected to increase 0.4

article thumbnail

Obama climate plan calls for new fuel economy standards for heavy-duty vehicles post-2018; cleaner fuels and investment in advanced fossil energy

Green Car Congress

Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. Preparing the US for the impacts of climate change. Earlier post.).

Obama 249
article thumbnail

Pickup-truck politics, green-car deals, faster Model 3, grim climate-change report: Today's Car News

Green Car Reports

Today, we've got an intriguing analysis of which makers would win big from rolling back fuel-economy rules, news on the future Tesla Model 3 "P" performance version of the electric car, a grim climate-change update, and great deals on green cars. All this and more on Green Car Reports. Following our U.S.