New OCN Jet Engine Sips 25% Less Fuel and Outputs 75% Less Greenhouse Gases

An Israeli firm called R-Jet Engineering has designed a new jet engine that could lower the fuel consumption by 25%. Just like current jet engines are twice as efficient compared to those built in the 1960s, this one, if applied on commercial airplanes, could offer significant savings in fuel and greenhouse gases.
Airbus A350-XWB Fuel Efficient Composite Aircraft Made Its Maiden Flight This Morning

Airbus A350-XWB, Maiden Flight of Fuel Efficient Composite Jumbo Jet

Fuel efficient aircraft are critical to maintaining the bottom line in the airline industry. Recent developments in engine and aircraft design, such as the...

EATR Robot Powered by Vegetation and a New, Efficient Steam Engine

Steam power is being revived as Robotic Technology Inc. develops the "EATR" as in Energetically Autonomous Tactical Robot - basically a robot that can have a meal of gasoline, heavy fuel, kerosene, diesel, etc and biomass, thus never having to be recharged as long as it has some wood sticks around.
Fiat TwinAir Engine in the Fiat 500

Fiat 500 Proves Efficient Internal Combustion Engine Not Dead

Many manufacturers have been turning to electrification in order to reduce emissions, from the Toyota Prius and Nissan Leaf to high end cars like...

Air Filter That Sensibly Increases Engine Power and MPG Patented by Romanian Engineer

Corneliu Birtok-Baneasa, a Romanian engineer, has invented a groundbreaking air filter that decreases the fuel consumption by 10 to 15 percent and  raises an...
Green Car Technology in a Light-Duty Pickup Truck

2014 Green Car Technology Award Nominee – Dodge 3.0L EcoDiesel

Green Car Journal's 2014 Green Car Technology of the Year Award will be announced soon, but at least we know the ten nominees, which...

Mazda Hydrogen Car – to be Tested on Japan’s Roads

Mazda is in the process of testing a car that runs on both hydrogen and gasoline (it's a dual fuel system). They're allowed to test the car on the public roads from Japan.
Ford 1.6ℓ EcoBoost - Not All It's Cracked Up To Be

Turbocharged Engines Have Low MPG Performance – Consumer Reports

Marketing and reality may often be two very different things, thus the ubiquitous “Your mileage may vary.” when it comes to automobile performance, handling,...

LiquidPiston’s Prototype Proves ICE Technology Can Save Gas

The typical internal-combustion engine is no more than 30% thermodynamically efficient, that is, only about 30% of the energy in the fuel actually...
Ultrasound Used to Detect a Premature Bearing Failure

Ultrasound Looks Inside Engines to Improve Efficiency

We have long been using ultrasound to look deep into the ground for mineral deposits or even archaeological remnants, and even to lake a...