The all-new Mazda3 arrived for 2014 bringing the full suite of fuel-saving SKYACTIV technology to Mazda's volume model. That translates to gas mileage of 34mpg combined in a car that also appeals to the driver in all of us.What the heck is SKYACTIV and why should you care? Well, it’s the reason this car beats the Honda Civic in fuel economy while using a larger engine and a traditional automatic …