Transportation startup Lucid Motors is working on an electric car to rival the Tesla Model S, and it just announced plans to build a $700 million manufacturing facility to bring it to fruition. Meanwhile, Lexus unveiled a mind-blowing car covered with 41,999 LEDs that can change colors at a whim. Could the solution to congested streets lie in subterranean tunnels? That's the idea behind these crazy CarTubes, which could move city traffic underground. Four major cities around the world pledged to ban diesel cars by the year 2025, and UPS just rolled out its very first e-bike delivery vehicle in Portland, Oregon.