Small hybrid-electric airliners ready for take off

ELECTRIC cars are clean, quiet and, it seems, the way of the future. Tesla, an American firm that has done much to help electric cars shed their museli-munching image, is struggling to meet demand for its mid-market Model 3 (though that has not stopped it announcing plans to build electric lorries as well). Volvo, a Swedish carmaker, has said that, from 2019, all its cars will be at least part-electric. Volkswagen has plans to offer battery options across all of its brands; General Motors has ma...