The Associated Press on MSN11h
Innovators gear up work on ‘green’ hydrogen plane with plans for nonstop 9-day trip around Earth
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...
pv magazine International18h
A closer look at Aira’s heat pump tech
Swedish manufacturer Aira launched its heat pump in Europe in 2024. The company told pv magazine it is now developing a full ...
Mint13h
Indraprastha Gas share price
The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.