article thumbnail

32.5M hours of supercomputer time to aid GM, Ford engine projects with Oak Ridge Lab

Green Car Congress

As part of its 2014 ASCR Leadership Computing Challenge ( ALCC ) awards of processor time (totaling more than 3 billion processor hours), the US Department of Energy’s (DOE) Office of Science has awarded 15 million hours on Oak Ridge National Laboratory’s (ORNL) Titan supercomputer to a project led by General Motors, and 17.5 Description.

Engine 335
article thumbnail

Study Finds Ozone Concentrations at Current Clean Air Standards Levels Can Impair Even Healthy Lungs

Green Car Congress

Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. Edward Schelegle, University of California, Davis. Specifically, we found that 6.6

Ozone 186
article thumbnail

Switching to electric cars ‘could increase emissions’

Green Cars News

Director at the ETA, Andrew Davis, said: “Whilst the report is not intended to dampen enthusiasm for electric vehicles, their introduction should not be viewed as a panacea; significant changes to the way we produce and tax power are needed before we will reap any benefits.&#.

article thumbnail

Berkeley study identifies diesel as main source of vehicular secondary organic aerosols

Green Car Congress

Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge. Earlier post.).

Diesel 281
article thumbnail

GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Green Car Congress

The drive unit contains two newly developed electric motor-generators for propelling the vehicle and other duties; power electronics to supply and control them; a system of gears, clutches, and hydraulic controls to combine and deliver the mechanical power from the motor-generators and the engine; and an electric oil pump.

Volt 150
article thumbnail

Using the PHEV (Plug-In Hybrid Electric Vehicle) to Transition Society Seamlessly and Profitably From Fossil Fuel to 100% Renewable Energy

Green Car Congress

and UC-Davis Emeritus and Catherine JJ DeMauro. The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. He holds more than 35 patents (12 of which belong to UC Davis), has published more than 100 papers, and is an internationally recognized subject matter expert.

PHEV 150