21, a coalition representing the world's biggest automakers, including the 17 largest companies that sell cars in the United States, asked EPA chief Scott Pruitt to reconsider the tailpipe
Look at an electric vehicle, for example: the tailpipe
emissions are zero but there are emissions elsewhere that you generate, so you need to start looking at the whole lifecycle.
Ted Kulongoski, who was a chief advocate of the leading-edge tailpipe
standards as a way to curb global warming by reducing carbon emissions.
Looking back, I should have reconsidered my decision to shut down the engine with the oil on the tailpipe
based on decreased oil quantity and no change in oil pressure.
Particle size, microstructure, and chemistry change, depending on engine speed and road conditions, and along the length of the tailpipe
ZEV-certified cars include fuel-efficient hybrids and advanced technology vehicles that virtually eliminate tailpipe
The article quotes fusion researcher Dan Cohn of MIT, one of the inventors of the Plasmatron, as saying the device could reduce tailpipe
emission by 90% and improve mileage as much as 25%.
I designed a way for only the tailpipe
, which costs $3,000, to have to be replaced," Sergeant Calvello said.
The Bush administration has vowed to implement stricter rules for tailpipe
emissions by requiring cleaner-burning engines and diesel fuel with ultra-low sulphur content.
We're not sure carbon monoxide is the culprit because it could be just a marker for something else in tailpipe
exhaust," said co-author Gary Shaw of the California Birth Defects Monitoring Program.
LEV was followed first by ULEV (ultra-low-emissions vehicle), which applies to tailpipe
emissions for 1997-2003 cars.
Environmental Protection Agency announced last month it has proposed changes to Clean Air Act tailpipe
emission standards that will require sports utility vehicles (SUVs) and other light trucks to meet the same standards as automobiles.