Most motor vehicles still rely on one of two sorts of piston-based internal combustion engine, both conceived over 100 years ago (by Nikolaus Otto and Rudolf Diesel).
"The physical weight of the air-conditioner adds to the drag of the car, and running it takes power from the engine; both reduce your gas mileage," she writes.
Its striking, upward-swinging doors and powerful fuel-injected engine, both features seemingly plucked from the future, established the SL as the halo car of the Mercedes-Benz line.
Although Stolze's device anticipated almost every feature of a modern gas-turbine engine, both compressor and turbine lacked the necessary efficiencies to sustain operation at the limited turbine-inlet temperature possible at the time.
This kind and laidback man allowed me not only to sit in his Rolls-Royce, but moreover let me rev the engine, both with the foot accelerator and the hand throttle of the only Rolls in which I have ever been sat.
In Monday's interview, Mr. Almunia said Google needed to offer the commission a solution where choices between Google-branded search results and those of its competitors were clearly visible within the search engine both on desktop computers and on mobile devices.
