Lightweight seats and trolleys reduce weight of each flight by 250kg, putting company on track to meet fuel efficiency targets

Amber Rudd says she will look again into getting controversial report published for Infrastructure Bill Committee

Valio will be first to test out carton made entirely from plant-based materials

Company says Suffolk offshore wind farm could still reach financial close by September, despite SSE pulling investment plans

Lib Dem group seeks cross-party support to reject Juncker's plan to shelve work on key environmental policies

EXCLUSIVE: New figures emerge as Combined Heat and Power Association rebrands as Association for Decentralised Energy to reflect changing demands of industry

Energy giant signs deal to source power from 11MW waste-to-energy portfolio

Environmental groups warn planned boost to North Sea oil and gas industry would run counter to efforts to tackle climate change

Researchers at Oregon State University show nascent technology could play an important role in low carbon energy mix

Source close to Thomas Steyer tells media he could run for Barbara Boxer's seat in 2016 or California Governor in 2018