Curated coverage for efficiency with top developments, timeline context, and connected threads.
Higher fuel efficiency and declining gas-powered vehicle sales are destroying the federal gas tax. Here is the specific revenue crisis and what the auto industry's alternative would mean for drivers.
Bulk Importer | Linked source
Modern cold-climate heat pumps work at -30°C and use half the energy of gas heating. Here is why the technology has finally solved the cold climate problem — and what holds back adoption.
EuroBulletin24 Editorial Desk | Linked source
Perovskite-silicon tandem solar cells are hitting mass-market efficiencies in 2026. Here is why this specific technology could double solar energy output per panel installed.