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- 1974 Mazda Ad, "Yes. The Rotary-Engine Mazda Gets Good Gas Mileage" - Mazda introduced its first production rotary engine, based on a design by German engineer Felix Wankel, in Japan in 1967. Instead of conventional reciprocating pistons, the rotary powerplant used an eccentric rotor to convert internal combustion power into motion. Mazda brought its rotary engine to the American market for 1974. Though compact and lightweight, rotary engines tended to be less fuel efficient.

- February 24, 1974
- Collections - Artifact
1974 Mazda Ad, "Yes. The Rotary-Engine Mazda Gets Good Gas Mileage"
Mazda introduced its first production rotary engine, based on a design by German engineer Felix Wankel, in Japan in 1967. Instead of conventional reciprocating pistons, the rotary powerplant used an eccentric rotor to convert internal combustion power into motion. Mazda brought its rotary engine to the American market for 1974. Though compact and lightweight, rotary engines tended to be less fuel efficient.
- 1973 Mazda Ad, "Introducing the Only Rotary Engine Car in America, Mazda" - Mazda introduced its first production rotary engine, based on a design by German engineer Felix Wankel, in Japan in 1967. Instead of conventional reciprocating pistons, the rotary powerplant used an eccentric rotor to convert internal combustion power into motion. Mazda brought its rotary engine to the American market for 1974. Though compact and lightweight, rotary engines tended to be less fuel efficient.

- December 01, 1972
- Collections - Artifact
1973 Mazda Ad, "Introducing the Only Rotary Engine Car in America, Mazda"
Mazda introduced its first production rotary engine, based on a design by German engineer Felix Wankel, in Japan in 1967. Instead of conventional reciprocating pistons, the rotary powerplant used an eccentric rotor to convert internal combustion power into motion. Mazda brought its rotary engine to the American market for 1974. Though compact and lightweight, rotary engines tended to be less fuel efficient.
- 1985 Mazda Wankel Rotary Engine - German engineer Felix Wankel conceived the rotary engine as a simpler, lighter, more compact alternative to the traditional piston engine. Various companies tried rotaries, but Mazda was the most successful, with rotary-engine cars dominating its U.S. sales from 1970 through 1972. Owners appreciated the smooth power delivery but not the poor fuel economy. When gas prices rose, Mazda reserved the Wankel rotary for high-performance sports cars.

- 1985
- Collections - Artifact
1985 Mazda Wankel Rotary Engine
German engineer Felix Wankel conceived the rotary engine as a simpler, lighter, more compact alternative to the traditional piston engine. Various companies tried rotaries, but Mazda was the most successful, with rotary-engine cars dominating its U.S. sales from 1970 through 1972. Owners appreciated the smooth power delivery but not the poor fuel economy. When gas prices rose, Mazda reserved the Wankel rotary for high-performance sports cars.