Sales growth in electric vehicles, led by Tesla and BYD has long suggested the end of gasoline and diesel fuel in the transportation sector. While fuel cells are a viable clean option, lower costs in battery production have made pure electric vehicles the sales leader in green transportation. But can the momentum of early adopters be maintained? Market surveys suggest that EV sales growth is flattening, as MSRP’s and a lack of public charging infrastructure dampen demand.   * * * Want to watch this podcast as a video? This Week in Engineering is available on engineering.com TV along with all of our other shows such as End of the Line, Designing the Future, Manufacturing the Future, and the Engineering Roundtable.