Shark-skin riblets could boost hydropower turbine efficiency

Shark-skin riblets: BILASURF laser-engraved riblets on twenty guide vanes improved lift/drag in tunnel tests but did not increase model turbine efficiency.

LG Energy Solution’s Q3 revenue rose 59% to $7.21 billion and operating profit reached $565 million, driven by U.S. energy storage and Europe’s EV demand.

The MoD objected to four windfarms in the past year over windfarm radar interference, including Hope Moor (23 turbines) and an 87-turbine Irish Sea scheme.

Bloom Energy stock fell 8% to $269.16 after UBS raised its price target to $350; the selloff dragged FuelCell Energy and Plug Power amid hydrogen weakness.

Enerpeak and BESS Broadway have created a 700-MW battery JV in Germany; this piece explains what is known, what remains unknown and the practical next

Preview of the Porsche 718 EV: a rear-mounted E-Core battery preserves low seating and mid-engine balance (55.2% rear weight), adds E-Shift and 800-volt

Ballard fuel cells will equip 12 Siemens Mireo Plus H trains after a $373m order for 200kW FCrail units totalling 4.8MW; service is planned for 2029.

Analysis finds large-scale solar in northern China cuts dust-driven pollution, lifts WHO air-quality ratings and adds to gains from cutting fossil fuels.

IID geothermal agreement adds 86 MW from Salton Sea 4 and Leathers starting 1 Jan 2027 under 10‑year contracts to strengthen reliability and meet state

Eddie Rich of IHA says Nepal’s floods show the need for climate-resilient hydropower through basin planning, monitoring and sustainability standards.