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No one enjoys commuting: it's a waste of time, fuel, and money. How much money?

Best EPA gas mileage cars, trucks and SUVs. Save money by driving the car, truck or SUV with best gas mileage rating.

Matt Mahilo has one clean and well-outfitted Ford. This 2008 F250 has a 6.4 PowerStroke that has been massaged more than a little. The build starts with a MPD twin turbo setup 66/80. Then a set of MPD exhaust manifolds and up-pipes were added along with some MPD 60% injector nozzles. To feed all the fuel needed, an Elite twin K16 pump kit and AirDog 165 were added.

An AirDog II DF-165, 165 GPM unit was chosen to supply copious amounts of fuel to the built common rail. Because of the engine swap, Kurtis had to decide whether to adapt a Ford kit to the Cummins or vice versa. It looked easier to fit a Cummins kit than adapting a Ford kit, especially since a certain amount of plumbing changes had already been made to the Ford on the suction side.

Sometimes, it's the little things that bite you. You can have the coolest and fastest diesel out there, only to be sidelined by a little problem such as a fuel leak or an electrical short from a bad connection. What's the preventative medicine? Attention to detail.

A clean diesel engine is a happy engine. Conversely, baked-on carbon and soot deposits make for an unhappy one. Today's high-output diesel engines are extremely sensitive to deposits that build up throughout the entire fuel system.

To say that diesel is becoming mainstream in America is still a stretch; the reality is that more and more companies are coming forward with sophisticated diesel powerplants that will eventually end up in some cool vehicles. New diesels will help manufacturers meet more stringent CAFÉ (Corporate Average Fuel Economy) standards that the government is demanding.

The quest for speed is a powerful addiction for any automotive enthusiast. It's the undeniable passion to pin the tachometer needle and record some taller numbers in the old test log that fuels constant tweaking and tuning. Much of the spirit, passion and drive of the early days of hot rodding live on in today's enthusiasts but with a host of modern conveniences that simply weren't available in the '40s.

The numerous recalls by Toyota have forced the United States Government to devise new auto safety laws to regulate the problems associated with these recalls. It aims to bring some impacting changes into the whole recall process.

In recent years, hybrid cars have become increasingly popular. Enter the hybrid car - not only is it fuel efficient, but its emissions are much lower than conventional cars.

If anything, the Prius is even better following last year's redesign which made aerodynamic revisions to further reduce drag while also giving the car a sleeker and sportier look. The gas engine size was increased and the electric motor was also strengthened, resulting in both additional power and still better gas mileage performance, with a combined city/highway EPA rating of 50 mpg, simply tops in the conventional hybrid segment. Handling agility was also enhanced thanks to a new suspension tuning and improved electric steering.

Today around the High Gear Media network, we have a potpourri of news, including the 2012 Fisker Karma's official fuel economy ratings, an IIHS Top Safety Pick for the 2012 Fiat 500, and a look at whether the 2012 Chevrolet Volt or the 2012 Toyota Prius Plug-in hybrid is cheaper to drive.

The nimble and fuel-efficient 2012 Mazda5 appeals to parents who don't mind being seen in a minivan but don't want to feel like they're driving one.