Emotions can be contradictory, and so can actions. This is proven by automakers creating eco-friendly non-electric engines. Can non-electric be eco-friendly?

At 42%, the Avadi MA-250 engine has an efficiency on a par with the best current diesel engines ... advance a proven technology and create a family of lighter, smaller, eco-friendly engines ...

More than 700 exhibitors took part in the event, including Warsaw’s Medcom, which received four awards and distinctions for innovation and its proprietary solutions supporting eco-friendly and ...

It converts plastic waste into wax and eco-friendly fuels on a commercial ... crude oil out of the ground to make diesel." Critics of plastics-to-fuel technology say these types of plants can ...