American engineer Jason Fenske, of Engineering Explained, describes exactly what happens inside a Mazda rotary engine running on hydrogen. It turns out the design of the engine is pretty much ideal for burning hydrogen.
Alastair Sloane has been a newspaper journalist for almost 50 years.
Has had all sorts of roles along the way, including editing two daily newspapers. Joined the NZ Herald from the Sunday Star-Times in 1996 to help launch a sports weekly. Became motoring editor of the Herald soon after, a position he held until leaving in 2012. He owns a 1968 VW Beetle. Best days at the wheel include doing part of the Land Rover Camel Trophy route in Papua New Guinea, driving a Nissan Patrol over earthquake-hit roads in Guatemala, and a Ferrari Italia 458 on Enzo’s old hill-climb road in Italy.