Sentences with phrase «vehicle tailpipes»
"Vehicle tailpipes" refers to the thin pipes or tubes at the back of a car or other vehicle where the exhaust gases come out. Full definition
Higher temperatures enhance the chemical reaction, so smog levels can rise even if emissions from vehicle tailpipes or coal - fired power plants remain the same.6, 19
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If Congress were to not only eliminate EPA's regulatory authority, but take CO2 completely out of the Clean Air Act, it would still be up to the courts to decide whether or not that would eliminate state authority over vehicle tailpipe emissions.
... total life - cycle energy inputs and greenhouse gas emissions contribute an additional 63 % for onroad, 155 % for rail, and 31 % for air systems over vehicle tailpipe operation.
It's a tactic that dates back to the 1970s when the Clean Air Act authorized the EPA to regulate vehicle tailpipe emissions.
The potential for capturing heat — from power plants, industrial smokestacks and even vehicle tailpipes — and converting it into electricity is huge, allowing heat that is currently wasted to be used to generate power.
In addition to the growing chorus in Washington for new regulations, the Supreme Court handed down a decision granting federal regulators the power to regulate carbon dioxide from vehicle tailpipes as an air pollutant.
Refiners have dramatically changed fuel formulations across the country and continue to enable significant reductions in vehicle tailpipe emissions.
The team observed that warmer temperatures significantly increase production of ozone, a colorless toxic gas, due to the reactions of certain chemical compounds with nitrogen oxides — greenhouse gases that come from vehicle tailpipes and power plant smokestacks.
In evaluating the effects of different fuels on GHG emissions, it is crucial to consider GHG emissions associated with fuel production and distribution in addition to vehicle tailpipe emissions (see the section on well - to - wheels analysis).
Debates about how to combat climate change usually revolve around how to cut emissions from smokestacks and vehicle tailpipes.
Oil resources may be already about half depleted, depending upon the magnitude of undiscovered reserves, and it is impractical to capture CO2 emerging from vehicle tailpipes.
As greenhouse gas emissions increase, billions of tons of carbon dioxide from smokestacks and vehicle tailpipes are absorbed by the oceans.
PHEVs can reduce direct emissions at the vehicle tailpipe and indirect emissions at the fuel source when they recharge by electricity produced by a portfolio of efficient combustion, non-emitting or renewable generation.
Both are formed through natural and manmade processes — from vehicle tailpipes, power plants and factories.