Researchers (IMAGE) Cornell University Caption Oliver Gao, front, and Shuai Pan pore over research that shows that by replacing at least 35% of Houston's gasoline cars and diesel trucks with electric vehicles by 2040, Houstonians could breathe easier. Credit Jason Koski, Cornell University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.