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.

2015.08.14
Rudolf Diesel in the 1880s said, “The automobile engine will come, and then I will consider my life's work complete.” He clearly knew how big a deal his inve
Blog Post
2015.08.12
In the California Air Resources Board hearing on July 23, 2015, the Board received testimony from stakeholders on how the federal U.S.
Blog Post
2015.07.30

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.

Publication: White paper
2015.07.23
The proposed new "Phase 2" standard for heavy-duty vehicle fuel consumption and GHG emissions in the U.S.
Blog Post
2015.06.25

Summarizes proposed new Phase 2 standards to reduce HDV fuel consumption and greenhouse gas emissions.

Publication: Policy update
2015.06.24
[Originally published on HuffPost Green]
Blog Post
2015.05.11

Discusses the use of computer simulation to certify whole-vehicle efficiency of HDVs, and compares tools used to quantify HDV CO2 emissions in the US (GEM v2.0) and EU (VECTO v2.0.3 beta; not yet used in a regulatory context).

Publication: White paper
2015.04.21
Over the past generation, a lot has changed for the workhorse of American freight-hauling, the eighteen-wheel big rig, officially known as the Class 8 long-haul tractor-trailer. One thing that hasn't is their paltry fuel economy.
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