During the Olympics in Paris, Volocopter, a German maker of electric aircraft, will launch a flying-taxi service, with a new generation of battery-powered flying machines designed for urban transport.
The electrification of flight has often been considered a pipe dream, with batteries thought too heavy a substitute for fuel in a plane. Yet companies like Volocopter bet that electrification can unlock a demand for clean and quick aerial journeys over shorter distances. The main form of flying taxi under development, powered by batteries, is called eVTOL aircraft and looks like a super-sized drone, carrying one to four passengers, plus a pilot. Indeed, optimists hope the absence of traffic in the sky will make eVTOLs suitable for autonomous operation and for transporting goods. That vision has inspired predictions. Joby, a Silicon Valley startup, has already raised $2 billion from investors. Archer, another, hopes to have hundreds or thousands of its craft flying by the 2028 Los Angeles Olympics.
But the question is the cost. eVTOLs currently range in price from $1 million to $4 million. Although their cost may come down as the industry develops, they are likely to remain expensive. Brian Yutko, a maker backed by Boeing, says that flying-taxi rides will be accessible to the masses. Joby promises that its fares will be comparable to catching a taxi. Yet some studies suggest the cost could end up many times a regular taxi fare. Even without a pilot, flying taxis may remain a convenience affordable only to a lucky few.
An alternative opportunity for electrification lies with small fixed-wing planes designed to transport a few dozen passengers over distances of a few hundred kilometres, for instance, between nearby cities. Last September Eviation, an Israeli company, successfully tested a nine-seater electric plane with a range of 400 km.
According to statistics, air travel accounts for just 8% of journeys between 150 km and 800 km in America and 4% in Europe. Most such journeys are taken by car, even in Europe, where buses and trains are more available. That creates a big opportunity for environmentally friendly short-distance flights. Expect plenty more experiments with electric aircraft in the years ahead.