Nicholas Brown has written for LDA, CleanTechnica, Gas2, the Texas Instruments blog, and Green Building Elements. He has a keen interest in science, technology, and the energy industry. Donate BTC: bc1q2lgqk6s2zegfyyzngqfhgcxu9pdmwf23vw6ghs Donate LTC: ltc1qgh5khs6fvrjeqrlwpt3tcla3qvrwn7haekkgtz Contact

Nissan Leaf Approved To Supply Energy To Germany’s Power Grid

The Nissan Leaf electric car has been approved for vehicle-to-grid (V2G) connections by German regulators, making it the first electric car to get such an approval. This is positive step forward for the concept of distributed energy storage, discussed below. V2G is a concept that enables electric vehicle batteries to supply power to the electric…

Light Bulb Market Update: LED Efficiency Has Doubled, And Prices Have Fallen

Several years ago, I was hard pressed to find an LED light bulb offering reasonable efficiency without an exorbitant price. We’re talking about $10-$20 for a dim bulb (40-Watt equivalent/450 lumens and less in some cases) achieving 45 lumens per Watt (lm/W). An efficiency of 45 lumens per Watt (usually up to 55) was common…

@019 Toyota Camry. Hybrid car.

The Best Selling Cars And Trucks In America, Ordered By Fuel Efficiency

The best selling vehicles in America (for 2018) are a fairly balanced mixture of sedans, crossovers, and pickup trucks. The Ford F-Series pickup trucks led sales at 451,138 units, followed by the Chevy Silverado family at 291,074 units. Let’s take a look at the fuel economy range of each of these popular vehicles, ordered by…