Mazda says the Skyactiv-Z will use the Lambda 1 air-fuel ratio to improve emissions; that will eventually apply to the brand's six-cylinder engines too. Mazda continues to invest in internal ...
Mercedes claims the GT43 needs just 4.5 seconds to accelerate to 60 mph and tops out at 174 mph — plenty of performance for public roads. And $32,000 will buy a lot of collapsible pocket fans. The ...