Despite all the talk about solar energy, it only generates a measly .1% of electricity in the US. Meanwhile, national demand for electricity is growing by 2% annually. Considering that solar technology has been in use for decades, why is it not more widespread? Cheap Fossil Fuels Even though sunlight … [continued]
The chemical perchloroethylene (or “perc”) might not ring a bell, but it is likely be found in your home. Considered by the EPA to be both a health and environmental hazard, it is a solvent used by most dry cleaners across the country for more than 70 years. It is … [continued]
Editor’s note: Many investors see clean technology as a smart bet these days… but how do you get your cleantech business plan in front of the people with the money? Lead Edwards at Ecopreneurist points to one source of advice for clean/green entrepreneurs: universities… and some of this advice is … [continued]
An announcement made this week is stirring excitement in the aviation industry as a scientist turned inventor claims he can dramatically reduce or perhaps remove fossil fuels from modern flight. His innovative design employs wind power to make an airplane version of popular hybrid cars. He claims his prototype is … [continued]
If solar panels cost $1/watt, you can sell them (installation included) for $2/watt. Coal (installation included) costs $2.10/watt. To date, solar is still reaching to compete with coal, but the margins are closing. To (over)simplify how this works, you need to ignore issues like subsidies, qualitative costs, or kinks in … [continued]
(Picture courtesy of PedalPub) Bikes in Cleantechnica!? Of course! Isn’t the goal to consume less non-renewable energy? Just because we’re doing so with the good old bike doesn’t mean it is not worthy of the technology title–especially with the advances in bike technology highlighted below. And although I’ve long agreed … [continued]
One of the most common arguments against large-scale use of renewable energy is that it cannot produce a steady, reliable stream of energy, day and night. Ausra Inc. does not agree. They believe that solar thermal technology can supply over 90% of grid power, while reducing carbon emissions. … [continued]
What if computers didn’t get hot and batteries never lost their battery life? What if you could help power your car with the heat of its engine? Conducting electricity from one point to another, and then putting it to good use, is one of the linchpins of our modern lives. … [continued]
Got a forklift, 25G, and a desire to live wherever you want? Then the PowerCube from Reluminati is for you! Actually, with its ability to deliver 600-watts of continuous energy, the weight (1 ton) and the cost are the only two negative things I can say about it. Now, if … [continued]
Water shortages are on the rise, from Mexico to the Andes, northern China to southern India, and Spain to Pakistan. Drought, soaring populations and population densities, changing diets, and increasing living standards are all factors. Is this an issue that technology can fix? Judging by investors’ responses, the answer seems … [continued]
