A study recently published in the journal Atmospheric Environment, reported an increase in methane concentrations alongside major southern US roads and highways.
Researchers from University of California, Santa Barbara, conducted an extensive sampling of atmospheric methane concentrations along transects from the...
3D printing these days is not actualy... um... green. Because it uses plastic. However, a team at Emerging Objects, a small fabrication studio in Oakland, has developed a material made from salt, wood and clay that can be (greenly)...
One way to reduce the amount of energy in a building is to regulate solar load. The sun adds heat, which helps warm a home in winter, but isn't so great in summer.
In the winter, you could open the...
The Princess Benedikte is not in service right now, but when retrofits are completed, it will be the world's largest hybrid diesel electric ferry.
The Princess Benedikte is already diesel electric, as most ships are these days. Powerful diesel engines...
![Start-Stop Technology [SST] Could be the Next Logical Step in Helping Consumers to Adopt Hybrid Vehicles](https://i0.wp.com/www.greenoptimistic.com/wp-content/uploads/2013/05/stop-start.jpg?resize=500%2C240&ssl=1 "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 hierarchy of vehicle pricing, though, it can be difficult sometimes to justify spending more up...
A new and innovative CO2 capturing system is to be installed in Norway, at a Norcem cement producing plant in Brevik. Developed by Aker Solutions, the carbon capturing system is the first in the world to do this at...
This story appeared a month ago, but I thought I'd take a look at it again. Is fuel economy the driving force behind customer choice of vehicle?
The simple answer is yes, but before I get to that, I thought...
Nuclear power is basically a carbon-free energy source but, we have to admit, it has its own special problems.
The radioactive fuel that goes into nuclear power plants is typically mined the standard way, but there is a vast untapped...
Tesla Motors has become quite a driving force with stock prices trending upwards, great reviews, and steady sales.
Tesla Motors has also managed, in a market of other failing electric-vehicle ventures, to bring a great vehicle to market and make...
When train locomotives made the switch from diesel to electric, especially commuter lines, Amtrak was able to provide cleaner transportation.
Of course, the almighty dollar has a lot to do with it, as electricity is much cheaper than diesel fuel....
