Clean Technica

Hawaiʻi’s LNG Business Case Was Overly Optimistic & Built On A Broken Spreadsheet

17 min read

The revelation that the spreadsheet behind Hawaiʻi’s headline LNG savings case appears not to include the cost of the LNG itself is the kind of finding that changes the center of gravity of an entire policy debate. The Sierra Club of Hawaiʻi press release on March 12, built around comments … [continued]

The post Hawaiʻi’s LNG Business Case Was Overly Optimistic & Built On A Broken Spreadsheet appeared first on CleanTechnica.

Clean Technica Climate change Research

Hydrogen vs Batteries on Norway’s Lofoten Route: An Engineering Reality Check

17 min read

The recent investigative reporting by Swedish Television and Norway’s NRK into the fuel cell supplier PowerCell has opened a window into the Vestfjord Lofoten hydrogen ferry project that Norway has been building toward for years. The journalists focused on a specific claim about durability. Internal tests suggested that the fuel … [continued]

The post Hydrogen vs Batteries on Norway’s Lofoten Route: An Engineering Reality Check appeared first on CleanTechnica.

Clean Technica

BYD Launches Next-Generation Blade Battery & Flash Charging

9 min read

Earlier today, BYD launched its second-generation Blade Battery and Flash Charging system. While the specifications that we have seen so far for the battery and charging pile are impressive on their own, the integrated approach pushes electrification forward. The “chicken or egg” dilemma is avoided with more capable chargers combined … [continued]

The post BYD Launches Next-Generation Blade Battery & Flash Charging appeared first on CleanTechnica.

Clean Technica

Donut Lab Battery Works at 100° Celsius, Proves More Skeptics Wrong

8 min read

Speculation that the Donut Lab battery is not real are diminishing as independent lab data shows 100° Celsius performance. Speculation that the battery may be lithium run into difficulty explaining how a battery can work at 100° Celsius. In the independent tests, the thin membrane surrounding the pouch breached. If … [continued]

The post Donut Lab Battery Works at 100° Celsius, Proves More Skeptics Wrong appeared first on CleanTechnica.