The Stirling Racer: Nice But Expensive Stirling Engine Toy Powered By The Sun

It's nice for a toy, but difficult to understand when it comes to explaining the true greenness of this invention. A stirling engine-powered toy just hit the market recently, combining a 194-year-old engine concept touted today for its fuel flexibility with solar power-the baby that modern science wants to grow.

Pointless Green: Koreans Developing Weird Pedal-Powered Aircraft

It's been a while since I've laughed at something this funny and pointless on this blog. Well, it looks like the Koreans don't (or do they?) have a practical sense when they invest $290,000 on a pedal-powered airplane.

Snails Producing Electricity for Mad Scientists With Aid of Biofuel Cells

Scientists at the Clarkson University in Potsdam, New York have discovered another way in which snails could be useful, besides being eaten as a...
Are the Days Numbered for the Horse-Drawn Carriage in New York City's Central Park?

Wait, No More Horse Carriage Rides in New York City’s Central Park?

If Mayor Bill de Blasio has his way, the Central Park carriages could be trotting on borrowed time. On the other hand, do they...

SOccket – A Soccer Ball That Generates and Stores Renewable Energy

A group of students at the Harvard University have come up with an ingenious idea that could change the lives of African people. They have developed an energy harvesting soccer ball called sOccket that is able to produce electric energy when being kicked around.
Toyota Prius vs Caveman

Toyota Prius / Harley Davidson Abomination Found on eBay

There are Toyota Prius drivers who thumb their noses at Hummer H3 drivers, and there are Ford F750 Drivers who thumb their noses at...
Electric Vehicles Have Enough Opponents, Lexus!

Lexus Hybrids Muddying Electric Vehicle Waters

Look anywhere, at politicians, journalists, ignorantes, even in some of the comments here on The Green Optimistic, and you’ll find electric vehicle opponents. One place...
BASF - Global Leader in Chemical Production

Is There Really a “Greener” Hydrogen, BASF?

Mention hydrogen fuel cell vehicles and two opposites immediately spring to my mind. First, HFC vehicles are, in themselves, emissions-free. On the other...

World's Shortest Range EV Features New Li-Ion Capacitor As Power Source

FDK Corporation in collaboration with Takayanagi Co Ltd has developed a new single-seater electric vehicle. The electric car is also equipped with a lithium ion capacitor that, according to the two companies, is able to charge it in under a minute. This could be the reason why the car has a range of just 5 km per charge.

Painting A Green Future with Decorated Wind Turbines

Australian-based wind farm, Hepburn Wind, has a unique way of drumming up support for renewable energy.  Probably finding inspiration from the lyrics of Windmills...