Due to the harmful effects of pollutants emitted by conventional fuel vehicles, automotive manufacturers are increasingly turning to eco-friendly energy sources. _______ well-known automakers such as BMW, Toyota, Hyundai, and Honda are actively investing in the development of hydrogen fuel cell technology, a new alternative that uses hydrogen as the primary fuel source.
Which choice completes the text with the most logical transition?
25/27
Click to copy your unique test URL. Return anytime using this link.