Topics / U.S. heavy-duty vehicle standards

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Summarizes the key elements of the proposed regulation to reduce greenhouse gas (GHG) emissions from new on-road heavy-duty vehicles, including the major vehicle and equipment categories, estimated costs and benefits, and Canada-specific provisions.

Summarizes the final rulemaking on new Phase 2 standards to reduce HDV fuel consumption and GHG emissions. Together with Phase 1, the increased efficiency of HD trucks and buses will cut fuel use by over one-third by 2050.

Analyzes the implications of a growing natural gas vehicle fleet on the emission benefits of the U.S. HDV “Phase 2” greenhouse gas rulemaking, synthesizing data on upstream emissions, vehicle emissions, and efficiency technology.


Analysis of market barriers to the widespread adoption of off-the-shelf efficiency technologies, including limited availability, lack of credible information about benefits, and uncertainty about the length of payback period.

Publication: Consultant report

Surveys fuel-saving technologies, presents an analysis of the U.S. market, outlines policy options and offers specific recommendations for the upcoming "Phase 2" U.S. rulemaking on GHG and fuel-efficiency standards

Publication: White paper
By now everyone who wants to know does know that President Obama has promised “executive actions” on climate change if
Blog Post

Summarizes and evaluates approaches to testing and certifying power-train systems and complete vehicles.

Publication: White paper

An overview of global heavy-duty vehicle standards and the U.S. rule finalized in 2011.

Publication: Presentation