Volkswagen XL1 Diesel Hybrid Electric Vehicle >261mpg

Volkswagen XL1 Hybrid Electric Vehicle gets 261MPG with Supercar Roots

The XL1 owes its unspeakably awesome fuel economy to the generous application of supercar technology. Question: How do you make the most of the engine...
Achates Power is based on the 1930s German Aircraft Company Junkers Jumo 205 Opposed-Piston Diesel Engine

Achates Power’s Diesel Engine Could be Twice as Efficient

The Achates Power engine could be twice as efficient than today's best engines, and could be used for the Army. A few months ago, we discussed...
ETH Zurich's Natural Gas Engine - 39.6% Efficient!

Hybrid Diesel Natural Gas Engine Developed with 39.6% Efficiency – ETH Zurich

The typical natural gas engine is essentially a modified gasoline engine with slightly different ignition mapping to account for natural gas' lower energy content. Natural...
Turbochargers Combined with Smaller Engines Maintain Power While Increasing Fuel Economy

Honeywell’s Shroud Turbochargers Improving Fuel Economy

Legislators are pushing for higher fuel economy to reduce carbon dioxide emissions, but this typically means smaller engines with less power. For most Americans, less...

Blogger gets 72 mpg from stock Euro Honda Civic diesel

What we're going to do is hypermile these cars. Although, much like Jack Nicholson in A Few Good Men, we're not sure you can...
Flying Wing Prototype - NASA X-48B

NASA’s “Flying Wing” Aircraft Prototype Twice as Efficient

While aviation engineers have long known that a “flying wing” aircraft would be more efficient than the traditional tubular fuselage aircraft we see today,...

Gasoline And Steam Engine Reloaded

Bruce Crower's engine is an innovation derived from a standard 4-stroke engine. It uses 6 strokes - the 4 normal ones, and at the...
Chevy Cruze Turbo Diesel Fuel Economy Rated at 46MPG

Chevy Cruze Turbo Diesel Fuel Economy Rated at 46MPG

Perhaps you may know the Chevy Volt for being a remarkably fuel-conscious vehicle. Engineers at General Motors have produced a remarkable diesel-powered vehicle with...
Audi, In The Real World, Produces about 28% More Carbon Dioxide Than Audi Claims

See Which EU Automakers Fuzzy Carbon Dioxide Emissions Math

Granted, carbon dioxide emissions and fuel economy measurements are hardly real-world, but it seems that some automakers have a little more tolerance built into...
Liquified Natural Gas [LNG] being Transported in Finland

Natural Gas Bus and Truck Fleet to Expand in the EU

Research indicates that by 2018, natural gas trucks and buses will account for 3.4% and 12.7%, respectively, of the entire fleet in the European...