Nano Device Based on AcrB Protein Offers Solar-Powered Water Filtering
A new nano-filter powered by sunlight can clean large bodies of water from antibiotics and carcinogens. The device, developed by the University of Cincinnati,...
Europa City Design Greens Up Paris Area
Denmark-based BIG recently came first in an international competition to design a next green-roofed city. The design, known as Europa City, would be located...
Hydrogen Fuel Generation – Breakthrough Catalyst Investigated in India
Hydrogen fuel used in hydrogen fuel cells, as a replacement for natural gas, or even in an internal combustion engine, burns clean and emits...
Nanotech Hybrid Solar Cell Generates Electricity from Both Light and Sound
A new nanotech hybrid solar cell developed by Samsung Advanced Institute of Technology and Sungkyunkwan University in South Korea, generates electricity from light as...
Honda Testing Hydrogen Fuel Cell Vehicles With Vehicle to Grid Technology
Hydrogen fuel cell vehicles and plug-in vehicles are both essentially electric vehicles, but hydrogen refuels in minutes, compared to hours required to recharge a...
Hamburg’s BIQ House is First Algae-Powered Building in the World
Hamburg is now home to the first algae-powered building in the world. The BIQ House, as it is called, has a façade made of...
200,000 Electric Vehicles with Vehicle-to-Building Technology by 2020
Building efficiency and energy consumption could be offset by smart building technology and backup power from electric vehicles.
For the most part, when we think...
Hyundai E4U Concept – Egg-Shaped Personal Electric Vehicle
Personal electric vehicles aren't so new, and by now we're probably used to seeing the elderly and infirm getting around on electric wheelchairs and...
How to Make a Bubble Wrap Window Insulation
Here we would like to show you how to improve your window insulation by using bubble wrap.
Over the last few days we published a...
Shell Eco-Marathon Americas Yields Super Fuel Efficient [3,587mpg] Reliant Robin
When we think fuel efficient, we might think hybrid or electric and this maxes out our brains at a little over 100mpge, so how...
































![Shell Eco-Marathon Americas Yields Super Fuel Efficient [3,587mpg] Reliant Robin Super Fuel Efficient Vehicle gets 3,587mpg!](https://i0.wp.com/www.greenoptimistic.com/wp-content/uploads/2013/04/Laval-Car-e1365462029508.jpg?resize=180%2C135&ssl=1)



