Author: CleanTechnica

6 Polluted Waterways Slated For Restoration

Courtesy of The National Oceanographic and Atmospheric Administration (NOAA). Good news for a new year! In 2022, NOAA helped to recover over $114 million from polluters to restore six waterways following oil spill and industrial pollution incidents. NOAA and partners worked to assess the impacts of these incidents and reach legal settlements with those responsible to […]

Electric Vehicle Battery Pack Costs In 2022 Are Nearly 90% Lower Than in 2008

The Department of Energy’s (DOE’s) Vehicle Technologies Office estimates the cost of an electric vehicle lithium-ion battery pack declined 89% between 2008 and 2022 (using 2022 constant dollars). The 2022 estimate is $153/kWh on a usable-energy basis for production at scale of at least 100,000 units per year. That compares to $1,355/kWh in 2008. The […]

Don’t Fall For Aerodynamic Junk Science When Shopping Trailers (Part 2)

In Part 1, I discussed how teardrop shapes tend to make for the best aerodynamic efficiency, why that is, and then how things go wrong with many bogus almost-a-teardrop designs. In this article, I’m going to discuss one more aspect of aerodynamic design, how to actually optimize a larger trailer for aerodynamic efficiency, and discuss […]

Indian Company Breaks Ground At 1 Gigawatt Solar Power Park

Indian hydropower company SJVN has announced start of construction of a large solar power park in the northern state of Rajasthan.  On January 3rd, the President of India laid the foundation for a 1 gigawatt solar power park at Bikaner, Rajasthan. The project is being developed by SJVN Green Energy Limited, a wholly owned subsidiary […]