The eight-speed gets better fuel economy and performance because its gearing allows the engine to work less at highway speeds.
WSJ: Hot Wheels: Cadillac to challenge BMW with CTS
Developers will have access to APIs that can interact with the car to grab info about speed, performance, fuel economy and other interesting metrics but are locked out of anything potentially dangerous.
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Chrysler promises its new nine-speed transmissions will improve its highway fuel economy on the order of 10%.
WSJ: Ford C-Max Hybrid Energi: The Bawdy Electric
Fuel economy gets better, especially with the 8-speed transmission or the four-cylinder turbo.
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