Flexibility in meeting tier 2 standards.

Technical feasibility of the proposed 1982-1983 high altitude standards for light duty vehicles and light duty trucks /
by: Bruetsch, Robert I., et al.
Published: (1980)

Update to the accounting for the Tier 2 and Heavy-duty 2005-2007 Requirements in MOBILE6 /
by: Koupal, John W., et al.
Published: (2003)

EPA proposes tier 3 motor vehicle emission and fuel standards /
Published: (2013)

EPA sets tier 3 motor vehicle emission and fuel standards /
Published: (2014)

EPA proposes tier 3 tailpipe and evaporative emission and vehicle fuel standards /
Published: (2013)

EPA sets tier 3 tailpipe and evaporative emission and vehicle fuel standards /
Published: (2014)

1972-73 heavy-duty engine baseline program and NOx emission standard development /
by: Cox, Timothy
Published: (1981)

Analysis of LDV and LDT non-methane HC standards /
by: Wallace, Jay, et al.
Published: (1981)

EPA sets tier 3 motor vehicle emission and fuel standards, strengthens clean cars program /
Published: (2014)

In-house test program report no. 2 : vehicle preconditioning: LA-4 vs. HFET.
by: Rarick, Thomas
Published: (1975)

Exhaust emission certification standards : federal test procedure (FTP), federal and California programs, light-duty vehicles (passenger cars) and light light-duty trucks (grams/mile).
Published: (1998)

Exhaust emissions from a vehicle retrofitted with the Monocar HC control system /
by: Austin, Thomas C.
Published: (1972)

Criteria for development of emissions averaging for heavy-duty engines and light-duty trucks /
by: Passavant, Glenn, et al.
Published: (1980)

A study of one gasoline-fueled engine line comparing emission results between 1969 engines and 1979 engines on three test procedures : the heavy-duty transient engine test, the heavy-duty 9-mode engine test, and the light-duty truck chassis test /
by: Clemmens, William B., et al.
Published: (1979)

A synthesis of transportation emissions research : current status and future directions /
by: Yu, Lei, 1963-
Published: (2008)

An analysis of alternative motor vehicle emission standards /
Published: (1977)

An evaluation of the Questor emission control system /
by: Austin, Thomas C.
Published: (1972)

Particulate control technology and particulate emissions standards for heavy-duty diesel engines : a report to the U.S. Environmental Protection Agency, Office of Policy Analysis, Washington, D.C. /
by: Weaver, Christopher S., et al.
Published: (1984)

Emissions modeling technical support document : Tier 3 motor vehicle emission and fuel standards /
by: Zubrow, Alexis, et al.
Published: (2014)

Direct final rule for amendment to Tier 2 vehicle emission standards and gasoline sulfur requirements : partial exemption for U.S. Pacific Island territories.
Published: (2006)

Performance standard modeling for new and existing vehicle inspection and maintenance (I/M) programs using the MOVES mobile source emissions model /
Published: (2014)

Performance standard modeling for new and existing vehicle inspection and maintenance (I/M) programs using the MOVES mobile source emissions model /
Published: (2013)

The social and economic costs and benefits of compliance with the auto emission standards established by the clean air amendments of 1970 : an interim report /
Published: (1973)

Urban traffic pollution /
Published: (1999)

MSAT2 questions and answers.
Published: (2007)

Analysis of emissions deterioration using Ohio and Wisconsin IM240 data : M6. EXH.002 : draft /
by: Enns, Phil
Published: (1999)

EPA finalizes emission standards for new highway motorcycles /
Published: (2003)

Analysis of emissions deterioration using Ohio and Wisconsin IM240 data /
by: Enns, Phil
Published: (2002)

Response to comments : Motor Vehicle and Engine Compliance Program fees for: light-duty vehicles; light-duty trucks; heavy-duty vehicles and engines; nonroad engines and motorcycles /
Published: (2004)

Estimation of trip- and emission-weighted temperatures for MOBILE4 /
by: Shih, Celia
Published: (1990)

Information for motorcycle owners on EPA's new emission standards for highway motorcycles /
Published: (2003)

Recommended specifications for I/M type analysis systems used to pass or fail vehicles /
by: Clemmens, William B., et al.
Published: (1980)

In-depth information for motorcycle owners on EPA's new emission standards for highway motorcycles /
Published: (2012)

Tier 2 study /
Published: (1998)

Exhaust emissions from a passenger car equipped with a Dupont exhaust emission control system using 1975 test procedure /
by: Thomson, John C.
Published: (1970)

Evaluation of the Texaco Stratified Charge (TCCS) M-151 army vehicle.
Published: (1973)