Not hydros, but it is about speed. A West Richland, WA design team has built and run a car at 256+ mph. The Shelby SuperCars Ultimate Aero is officially the “Fastest Production Car” in the world, according to Guinness World Records. This is the first time the production speed record title has been held by a United States auto manufacturer since 1967.

Driver Chuck Bigelow, 71, drove SSC’s Ultimate Aero on a stretch of highway 221, clocking 414.31 kph (257.45 mph) on the first pass and 410.24 kph (254.92 mph) on the second pass to yield an official record speed of 412.28 kph (256.19 mph).

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