All transportation resources
Report
Jobs, Energy, and Fuel Economy
We estimated the effect of moving existing technologies into cars and trucks with the modest goal of reaching a fleetwide average of 35 miles per gallon (mpg) by 2018.
Report
Smoke, Mirrors & Hot Air
How ExxonMobil used tobacco industry tactics to spread disinformation on global warming science and create confusion.
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Automaker Rankings 2007
This analysis uses sales and global warming and smog-forming emissions data to rate the bottom-line environmental performance of eight companies.
Report
Digging Up Trouble
A report on health impacts of diesel emissions from construction equipment in California.
Report
Clean School Bus Pollution Report Card
This report evaluates state school bus cleanup programs and tailpipe emissions of soot and smog-forming pollution for the average state school bus.
Report
Tires and Passenger Vehicle Fuel Economy
This site discusses the National Academy of Sciences report on the fuel economy ramifications of tire performance and rolling resistance.
Report
Off-Highway Diesel Equipment
Information and access to report and database on nonroad diesel cleanup.
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Fuel Economy Fraud
Fuel economy standards have remained essentially unchanged over the past 20 years—and automakers have increasingly exploited loopholes in Congressional and regulatory language.
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Automaker Rankings '04
Honda continues to be the Greenest Automaker—but all automakers can improve.
Report
Clearing the Air in the San Joaquin Valley
Poor air quality is affecting the region's residents, public health, and the economy. Without further action, the problem will only get worse.
Report
Sick of Soot
The Union of Concerned Scientists promotes a cleanup strategy for diesel vehicles that includes strict emission standards, incentives for cleaning up existing engines, and replacing or retrofitting older school buses.
Report
Climate Control
California is focusing on the largest source of heat-trapping emissions in the state—motor vehicles.