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The health and environmental impact of transport is significant because transport burns most of the world's petroleum.This causes illness and deaths from air pollution, including nitrous oxides and particulates, and is a significant cause of climate change through emission of carbon dioxide.
The auto industry could meet the limits if 56% of new passenger vehicle sales are electric by 2032, along with at least 13% plug-in hybrids or other partially electric cars, the EPA said.
About 16% of manmade carbon dioxide is from road transport, [17] mostly passenger vehicles. [18] Gasoline cars with less than two passengers produce more carbon dioxide per passenger kilometer than any other form of land transport. [19] The changing speed of a vehicle is a factor when considering the measurement of greenhouse gas emissions ...
Manufacturers pay a level of tax based upon the average fuel economy for each particular vehicle produced, ranging from $1,000 for vehicles achieving at least 21.5 but less than 22.5 MPG, to $7,000 for each vehicle achieving less than 12.5 MPG. Vehicles that achieve a minimum average fuel economy of 22.5 MPG are not subject to the gas guzzler tax.
Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline (petrol), diesel fuel, fuel oil, biodiesel blends, [1] or coal. According to the type of engine, it is discharged into the atmosphere through an exhaust pipe , flue gas stack , or propelling nozzle .
Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions studied include hydrocarbons, volatile organic compounds, carbon monoxide, carbon dioxide, nitrogen oxides, particulate matter, and sulfur oxides.
EPA's greenhouse gas score [28] reflects the amount of greenhouse gases a vehicle will produce over its lifetime, based on typical consumer usage. The scoring is from 0 to 10, where 10 represents the lowest amount of greenhouse gases. The Greenhouse gas score is determined from the vehicle's estimated fuel economy and its fuel type.
Both of these measures not only helped to reduce the amount of harmful emissions being produced by motor vehicles in the US, but they also helped improve health measures. For example, it was found that reducing the amount of lead in gasoline directly correlated with decreasing blood lead content from 1976 to 1980.