US NAVY BLENDS JET A AND BIO-ALGAE FUEL, TESTS IN SEAHAWK HELICOPTER

The US Navy successfully completed a test flight with a 50 / 50 blend of algae-based biofuel and Jet A (traditionally the flavor of choice for turbine-based aircraft). The mixture used is known as Solajet HRJ-5 Jet fuel, which doesn't quite have the same ring to it as good ole Jet A, but it does happen to be based on a renewable resource and managed to keep the rotor spinning. There's no word on how much the new fuel costs to produce or when it might be ready for commercial use, but if all goes to plan, we may soon be using the green stuff for more than just sushi rolls and miso soup.

MERCEDES F-CELL WORLD DRIVE STARTS OFF BADLY

Circling the globe on hydrogen power sounds like a bit of a challenge, what with the lack H2 pumps and all, but Mercedes-Benz set off to show that it could do just that -- with the help of a mobile filling station, natürlich. It's the F-Cell World Drive, and unfortunately, things got off to something of a bad start with two cars running out of fuel on the very first leg of the journey, one with Autoblog's Michael Harley at the wheel, no less. This first leg apparently began with a trip down an unrestricted bit of the Autobahn and, well, it seems the drivers of the cars decided to see what the little green B-Class F-Cells could do. The answer is 110mph, and of course moving along at this rate of speed did little for their range. The two cars came up 20km short of their first planned refueling stop, heavy right feet resulting in consumption of 1.5Kg of hydrogen per 100km distance -- roughly equivalent of 45mpg and way less than the 71mpg equivalent the cars usually manage. We're told day two, when drivers kept the speed to around 70mph, progressed much more smoothly, with both cars covering their expected legs without issue.

HYDROGEN MICROBEADS COULD FUEL YOUR CAR FOR $1.50/GALLON

Cella Energy is working on putting hydrogen inside microbeads eliminating the need for dangerous high pressure tanks. The microbeads would then explode providing the energy necessary to run your car's engine. The exhaust would be ordinary water.

According to Cella Energy these beads can be poured into the gas tank of a car with an internal combustion engine (presumably suspended in some sort of liquid) and, with no modification, that car will run just fine. Best news is that this concoction costs just $1.50 per gallon, or will eventually once they actually get it to work.