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Greenhouse Gas

Dear Trump: the Future Belongs to the Efficient

Trump abandoned climate protection goals claiming that cheap fossil fuel helps consumers and the economy. A mobility-focused analysis shows that he is wrong: resource efficiency is the key to health, economic success and happiness.

March 3, 2026

The Emissions Data GOP Pols Don’t Want Americans To See

Dozens of red states sued to stop the release of their state transportation emissions data. A new report gives a glimpse into what they were trying to hide.

November 19, 2024

State Is Still Falling for the Hydrogen Train Con

Caltrans is planning to commit the state to pursuing a technology that is unproven, currently untested, and will involve unknown but extensive future costs.

August 14, 2024