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A trap primer (or trap seal primer) is a plumbing device or valve that adds water to traps.The water seals in traps are needed to prevent sewer gases from entering buildings, but because this water is exposed to the air, it is subject to evaporation over time in infrequently used floor drains, leading to the release of sewer gas into the environment.
A NO x adsorber is designed to reduce oxides of nitrogen emitted in the exhaust gas of a lean burn internal combustion engine. Lean burn engines, particularly diesels , present a special challenge to emission control system designers because of the relatively high levels of O 2 (atmospheric oxygen ) in the exhaust gas.
The Greenhouse gas score is determined from the vehicle's estimated fuel economy and its fuel type. The lower the fuel economy, the more greenhouse gas is emitted as a by-product of combustion. The amount of carbon dioxide emitted per liter or gallon burned varies by fuel type, since each type of fuel contains a different amount of carbon per ...
California was the first state to adopt the Advanced Clean Cars II rule, and so far, 11 other states have followed suit, setting their sights on phasing out the sale of new gas-powered vehicles by ...
‘I guarantee it’: Donald Trump vows no state in America will be allowed to ban gas-powered cars — 3 stocks to ride the wave if gasoline continues to reign Jing Pan October 17, 2024 at 5:04 AM
A vote to prohibit sales of gas-burning cars starting in 2035 will bring sweeping change to California's roads, but there's plenty of nuance in the fine print. California's coming gas car ban ...
FMVSS No. 118: [20] Power-operated window, partition, and roof panel systems; FMVSS No. 119: [21] New pneumatic tires for vehicles other than passenger cars; FMVSS No. 120: [22] Tire selection and rims for motor vehicles other than passenger cars; FMVSS No. 121: [23] Air brake systems; FMVSS No. 122: [24] [25] Motorcycle brake systems
The regulation also applies to diesel powered passenger cars (but not to gasoline cars). In-use vehicles in the specified categories must meet 1997/98 emission standards for the respective new vehicle type (in the case of heavy duty engines NO x = 4.5 g/kWh, PM = 0.25 g/kWh).