Toyota, the top-selling automaker in the US, is rolling out its first fully electric vehicle in eight years. The company unveiled the battery-powered bZ4X small SUV, which starts at $42,000 and can go up to 252 miles (406 kilometres) per charge. The bZ4X, which will be sold globally, adds to the 38 electric vehicle models now on sale in the US, with more than 120 expected by 2025.