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...United States Department of Transportation that specializes in [[highway]] transportation. The agency's major activities are grouped into two "programs," the Federa ...from the federal [[gasoline tax]] and mostly goes to State departments of transportation. FHWA oversees projects using these funds to ensure that federal requireme

...et of atmospheric dispersion models were being applied to real world cases of highway planning, even including some controversial court cases. ...air dispersion model is to calculate air pollutant levels in the vicinity of a highway or arterial roadway by considering them as line sources. The mod

...ies, roadway noise is expected to contribute a proportionately large share of the total societal noise pollution. ...ientists for answers regarding the planning of new roadways and the design of noise mitigation.

...National Highway Traffic Safety Administration(NHTSA) | U.S. Department of Transportation<!-- Bot generated title -->]</ref> ...enhouse gas emissions, but this has been disputed by such state regulatory agencies as the [[California Air Resources Board]].

...icle''' or '''dual-fuel vehicle''' which can alternate between two sources of fuel, such as diesel engined cars which can run on [[BioDiesel|biodiesel]] ...fueling systems that enable fueling with either propane or gasoline. All states have publicly accessible fueling stations, close to 3,000 exist. The time n

...rporate Average Fuel Economy''' ('''CAFE''') are regulations in the United States, first enacted by US Congress in 1975,<ref>{{cite web |title=CAFE Overview: "What is the origin of CAFE?"

Instead of a well-type bed (short rigid sides) with an opening rear gate, some pickups ...et steel in both of these sections is not a stressed member. A combination of the two styles, monocoque cab and engine bay welded to a 'c' section chassi

...s a non-renewable resource, many people are worried about the consequences of its depletion. Due to its continual demand and consequent value, oil has be The combining form of the word ''petroleum'' is ''petro-'', as in ''petrodiesel'' (petroleum dies

...o [[flexible-fuel vehicle]]s as ''hybrids'' because they can use a mixture of different fuels — typically gasoline and [[ethanol]] [[alcohol fuel]]. ...the motor. The principal difference between a motor and a generator is one of design optimization only. ''See also [[motor-generator]]''</ref>) to either

...stations, as well as 149 connecting surface routes (buses and streetcars) of which 148 routes make 243 connections with a subway or rapid transit statio The TTC operates the third<!-- The Chicago Regional Transportation Authority (RTA) is similar to the GTA Metrolinx, not the TTC, while the TTC