Emission standard
Emission standards are legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that m...
United States emission standards
In the United States, emissions standards are managed on a national level by the Environmental Protection Agency (EPA). State and local governments may apply for waivers to enact stricter regulations...
Energy policy of China
The energy policy of China is a policy decided on by the Central Government with regard to energy and energy resources. Ensuring adequate energy supply to sustain economic growth has been a core conce...
Energy policy of China - Wikipedia
Air pollution in Hong Kong
Air pollution in Hong Kong is considered a serious problem. Visibility is less than eight kilometers for 30% of the year. Cases of asthma and bronchial infections have soared in recent years due to re...
Air pollution in Hong Kong - Wikipedia
Bharat Stage emission standards
Bharat stage emission standards are emission standards instituted by the Government of India to regulate the output of air pollutants from internal combustion engine equipment, including motor vehicle...
Bharat Stage emission standards - Wikipedia
Partial zero-emissions vehicle
A partial zero emissions vehicle is a vehicle that has zero evaporative emissions from its fuel system, has a 15-year (or at least 150,000-mile) warranty on its emission-control components, and meets ...
Catalytic converter
A catalytic converter is a vehicle emissions control device that converts toxic pollutants in exhaust gas to less toxic pollutants by catalyzing a redox reaction (oxidation or reduction). Catalytic c...
Catalytic converter - Wikipedia
Idle reduction
Idle reduction describes technologies and practices that minimize the amount of time drivers idle their engines. Avoiding idling time has a multitude of benefits including: savings in fuel and mainten...
Low-carbon emission
The main components of automobile exhaust are carbon dioxide (CO2) and water vapor (H2O). Carbon dioxide is the most important anthropogenic greenhouse gas (GHG) and the most significant Greenhouse G...
Onboard refueling vapor recovery
Onboard refueling vapor recovery (ORVR) is a vehicle emission control system that captures fuel vapors from the vehicle gas tank during refueling. The gas tank and fill pipe are designed so that when...
Zero-emissions vehicle
A zero-emissions vehicle, or ZEV, is a vehicle that emits no tailpipe pollutants from the onboard source of power. Harmful pollutants to the health and the environment include particulates (soot), hyd...
Zero-emissions vehicle - Wikipedia
Nuclear power in China
As of September 2014, the People's Republic of China has 21 nuclear power reactors operating on 8 separate sites and 28 under construction. Additional reactors are planned, providing 58 GWe of capacit...
World energy consumption
World energy consumption refers to the total energy used by all of human civilization. Typically measured per year, it involves all energy harnessed from every energy source applied towards humanity's...
World energy consumption - Wikipedia
Vehicle emissions control
Vehicle emissions control is the study of reducing the motor vehicle emissions—emissions produced by motor vehicles, especially internal combustion engines.Emissions of many air pollutants have been s...
AirCare (emissions program)
AirCare was a vehicle emissions testing program in place in the Lower Mainland including the Greater Vancouver Regional District and the Fraser Valley Regional District of British Columbia. The progra...
New European Driving Cycle
The New European Driving Cycle (NEDC) is a driving cycle designed to assess the emission levels of car engines and fuel economy in passenger cars (excluding light trucks and commercial vehicles). It ...
New European Driving Cycle - Wikipedia
Ontario's Drive Clean
Ontario's Drive Clean is an automobile emissions control program in Ontario, Canada. The program came into being in 1999 under the Ontario Progressive Conservative Party, lead by Premier Mike Harris. ...
Super ultra-low emission vehicle
Super ultra-low emission vehicle (SULEV) is a U.S. classification for passenger vehicle emissions. The classification is based on producing 90% less emissions than an equivalent gasoline-powered vehic...
Super ultra-low emission vehicle - Wikipedia
Ultra Low Emission Vehicle
An ultra-low-emission vehicle (ULEV) is a motor vehicle that emits extremely low levels of motor vehicle emissions compared to other vehicles. In some jurisdictions it is defined in law; low and ultra...
Ultra Low Emission Vehicle - Wikipedia
Coal by country
This article includes lists representing proven reserves and production of coal by country. All data is taken from British Petroleum.The reserve list specifies different types of coal and includes cou...
Coal by country - Wikipedia
New Source Performance Standard
New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA...
California Smog Check Program
The California Smog Check Program requires vehicles that were manufactured in 1976 or later to participate in the biennial (every two years) smog check program in participating counties. The program’s...
California Smog Check Program - Wikipedia
Wind power in China
With its large land mass and long coastline, China has exceptional wind resources: it is estimated China has about 2,380 gigawatts (GW) of exploitable capacity on land and 200 GW on the sea. At t...
Wind power in China - Wikipedia
Worldwide harmonized Light vehicles Test Procedures
The Worldwide harmonized Light vehicles Test Procedures (WLTP) define a global harmonized standard for determining the levels of pollutants and CO2 emissions, fuel or energy consumption, and electric ...
Worldwide harmonized Light vehicles Test Procedures - Wikipedia
National Emissions Standards for Hazardous Air Pollutants
The National Emissions Standards for Hazardous Air Pollutants, also using the acronym NESHAP, are emissions standards set by the United States Environmental Protection Agency—EPA. The standards are fo...
FTP-75
The EPA Federal Test Procedure, commonly known as FTP-75 for the city driving cycle, are a series of tests defined by the US Environmental Protection Agency (EPA) to measure tailpipe emissions and fue...
FTP-75 - Wikipedia
European emission standards
European emission standards define the acceptable limits for exhaust emissions of new vehicles sold in EU member states. The emission standards are defined in a series of European Union directives sta...
European emission standards - Wikipedia
Diesel exhaust fluid
Diesel exhaust fluid (DEF), commonly referred to as AdBlue in Europe, Australia, and New Zealand, and standardised as ISO 22241 is an aqueous urea solution made with 32.5% high-purity urea (AUS 32) a...
Diesel exhaust fluid - Wikipedia