Honda to Revive 40 Year-Old CVCC Engine as a Hybrid Version
Once the main innovator in the field of motoring, Honda is now hoping to catch up with fuel efficiency measures from all over the...
New Waissi Engine Simpler and More Efficient, Arizona State University
The Waissi Engine is of an opposed-piston design, much like that being developed by Achates Power or EcoMotors, with one important difference: Waissi's engine...
2000 Miles On a Gallon of Fuel, Students From BYU Made It Possible
Students from Brigham Young University (BYU) designed a car which can travel almost 1,700 miles on as little as one gallon of fuel. The...
VW Golf BlueMotion TDI – 74MPG – Better Than Prius?
The most known German car maker Volkswagen, and the most popular car in Europe, VW Golf, hits again these days as Volkswagen unveils their latest BlueMotion car. They already have unveiled other BlueMotion machines, but this time it is Golf's time to be in the spotlight.
“Most Environmentally Friendly” Car Award Goes to: Mercedes Benz B200 CNG and BlueTec
German car magazine, Auto Test, has named the Mercedes Benz B200 CNG and the ML 250 BlueTec 4Matic as the most environmentally-friendly, giving them...
How Small Engine Turbo Improves Fuel Economy
Typically, even a low-boost small engine turbo can deliver 25% more power than its non-boosted sister.
That means that even a tiny turbocharged i3 can...
General Motors’ 100 mpg Car – The Platinum Anniversary That Could Have Been
In 1992, I built my first PC, the same year Microsoft Windows 3.1 and Works hit the market. Bill Clinton became President of the...
Turbine Engine: a Different, 30% More Efficient Way to Move Trucks
The following is an excerpt from tt engines, a company who made a truck engine that does not have any pistons, valves, or any...
![Start-Stop Technology [SST] Could be the Next Logical Step in Helping Consumers to Adopt Hybrid Vehicles](https://i1.wp.com/www.greenoptimistic.com/wp-content/uploads/2013/05/stop-start.jpg?resize=180%2C135&ssl=1 "Light Hybrid Vehicles May be The Next Best Thing")
Light Hybrid Vehicles May be The Next Best Thing
To reduce emissions and increase fuel economy, hybrid vehicles are a pretty good option that aren't nearly as expensive as pure electric vehicles.
In the...
![Volvo Engine Architecture [VEA] Power of Six, Fuel Economy of Four](https://i0.wp.com/www.greenoptimistic.com/wp-content/uploads/2013/05/FMX_Logo.jpg?resize=180%2C135&ssl=1 "Volvo’s New Engines Big on Fuel Economy AND Performance"){kind=logo}
Volvo’s New Engines Big on Fuel Economy AND Performance
This fall, Volvo will unveil a new line of engines that offer better fuel economy without sacrificing performance.
As concerns over vehicle emissions continue to...
