Transportation Resources

Investing in fuel-efficient technologies for heavy-duty trucks can save their owners money at the pump, create tens of thousands of jobs across the economy, reduce the nation’s dependence on oil, and help combat climate change.

How biofuels tax policies must be reformed to cut global warming pollution and save oil.

The Billion Gallon Challenge shows how new policies are needed to realize the promise of clean cellulosic biofuels.

Bioenergy has the potential to increase energy security, promote economic development, and decrease global warming pollution. But efforts to expand its production and use could have unintended consequences.

California's clean car standards offer a long-term solution to air pollution and global warming.

Two new draft rules, recently released by the California Air Resources Board (CARB), would dramatically reduce diesel fuel consumption and better protect public health and the environment.

The UCS Vanguard, updated from the original 2007 design, details vehicle technology features that can save consumers money while reducing global warming emissions.

Factsheet outlining the benefits of a well-designed Low Carbon Fuel Standard to reduce emissions from the transportation sector.

The Union of Concerned Scientists presents the first comprehensive analysis—peer-reviewed by experts—of the highest-carbon and lowest-carbon options for vacation travel.

Improving truck efficiency is not only good for the bottom line but also can help California meet its global warming, air quality, and petroleum dependence goals.

Analysis to consider the impacts that the use of agricultural, forest, rain forest, and other lands for the development of bio-based transportation fuels may have on their lifecycle global warming carbon dioxide footprint.

The Renewable Fuel Standard (RFS) included in the 2007 energy bill is a key first step toward reducing global warming pollution from our nation’s transportation fuels.