CO2 Emissions Diagram (image) Swiss Federal Laboratories for Materials Science and Technology (EMPA) Share Print E-Mail Caption This diagram shows CO2 emissions from hybrid cars, natural gas fueled cars and gasoline fuelled cars (3 vehicles in each category). To make the comparison more representative, the CO2 emissions are given per kWh of power delivered during the driving profile. Credit Swiss Federal Laboratories for Materials Science and Technology Usage Restrictions None Share Print E-Mail 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.