Electric Vehicle charging (IMAGE) George Washington University Caption New research from the George Washington University finds that not all financial incentives are created equal in the eyes of prospective electric car buyers, and the current federal incentive — a tax credit — is, in fact, valued the least by car buyers Credit GW Usage Restrictions No restrictions. License Public Domain 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.