The technology, which uses a high - pressure fuel system, lets the engine use less fuel for each cylinder and reduces emissions. (autoweek.com)
Today's aircraft use roughly 80 percent less fuel per passenger - mile than the first jets of the 1950s — a testimony to the tremendous impact of aerospace engineering on flight. (sciencedaily.com)
And, in my experience, a typical 6 - cylinder isn't significantly less fuel efficient compared to smaller and weaker 4 - cylinder engines, especially those equipped with a turbo. (nydailynews.com)