[DOC] [TLE] Car Exhaust - Toxins and Air Pollution - Alpha Online [PAR] Attempts to reduce exhaust emissions from gasoline and diesel engines have 
been ... system and triggers the release of systemic pro-inflammatory responses. 
... appears to be a common mechanism of these pro-hypertensive responses. ... 
Catalytic converters in car exhaust systems reduce air pollution in the best case 
by... [DOC] [TLE] How do catalytic converters work? - Explain that Stuff [PAR] Jul 24, 2016 ... Car engines run on gasoline or diesel, which are made from petroleum. ... The pollutant gases made by car engines include a poisonous gas called carbon monoxide, as well as VOCs (volatile organic compounds) and nitrogen oxides that cause "smog" (the sort of choking, cloudy vehicle pollution we all know and hate). [DOC] [TLE] Exhaust gas - Wikipedia [PAR] Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as 
natural gas, ... Motor vehicle emissions contribute to air pollution and are a major 
ingredient in the creation of ... without carbon); these are not toxic or noxious (
although carbon dioxide is a greenhouse gas that contributes to global warming). [DOC] [TLE] Catalytic converter - Wikipedia [PAR] A catalytic converter is an emissions control device that converts toxic gases and 
pollutants in ... These "two-way" converters combined oxygen with carbon 
monoxide (CO) and .... Three-way catalytic converters can store oxygen from the 
exhaust gas .... Vehicles fitted with catalytic converters emit most of their total 
pollution... [DOC] [TLE] Emissions - US Environmental Protection Agency [PAR] EPA 400-F-92-007 August 1994 Fact Sheet OMS-5 Automobile Emissions: An ... 
from cars comes from by-products of this combustion process (exhaust) and from 
... In a "perfect" engine, oxygen in the air would convert all the hydrogen in the 
fuel ... cannot be "perfect," and automotive engines emit several types of 
pollutants. [DOC] [TLE] Catalytic Converters - Chemistry LibreTexts [PAR] Nov 16, 2014 ... Not enough oxygen is available to oxidize the carbon fuel in these engines ... 
Catalytic converters are used in exhaust systems to provide a site for the ... 
Without catalytic converters, vehicles release hydrocarbons, carbon ... simple 
device that uses basic redox reactions to reduce the pollutants a car makes. [DOC] [TLE] Pollutants Produced by a Car Engine - How Catalytic Converters ... [PAR] ... water vapor. Learn about car engine emissions and how car engine emissions 
are reduced. ... These emissions are mostly benign, although carbon dioxide 
emissions are believed to contribute to global warming. Because the ... How 
Automotive Exhaust Systems Work ... Store  Advertising  Careers  Contact Us  
Help... [DOC] [TLE] Controlling Air Pollution from Motor Vehicles - NYS Dept. of ... [PAR] How DEC controls pollution from cars, trucks and other vehicles. ... are released 
when fuel is burned in an internal combustion engine and when air/fuel ... These 
technologies can be used in passenger cars, trucks and transit buses. ... to 
certain provisions of 6 NYCRR Part 218 concerning aftermarket catalytic 
converters. [DOC] [TLE] Reducing Air Pollution | CK-12 Foundation [PAR] Laws governing emissions have helped to clean up the air. ... Cars, power plants, 
and factories individually release less pollution than they did in the ... Catalytic 
converters only work when they are hot, so a lot of exhaust escapes as the car ... 
All these actions reduce the amount of energy that power plants need to produce. [DOC] [TLE] Exhaust Emissions and Its Control Technology for ... - ResearchGate [PAR] moves and releases pollutants into the air. 3. Biogenic ... the air would convert all 
the hydrogen in the fuel to water and all the ... to air pollution are. CO, NOx, and 
HC coming from S.I. engine exhaust. ... modern engines, these non- exhaust 
unburned HCR effectively ...... helps reduce nitrogen oxides to elemental nitrogen
. [DOC] [TLE] What Do Catalytic Converters Do In The Cars [PAR] Apr 20, 2015 ... A catalytic converter is a vehicle emissions control device that converts toxic 
pollutants in exhaust gas to less toxic pollutants by catalyzing a ... (CO) with 
unburned hydrocarbons (HC

Question: These converters help release pollutants from automobile exhaust
Answer: catalytic converters