Aviation needs to accelerate the use of biofuels before new technologies like hydrogen and electric-powered aircraft become viable to limit emissions as demand for travel will not abate, the boss of Rolls-Royce said on Tuesday.

Ukraine on Sunday claimed full control of the eastern logistics hub of Lyman, its most significant battlefield gain from Russia in weeks, providing a potential staging post for further attacks to the east while heaping further pressure on the Kremlin.

European stock markets climbed Friday but the pound and euro fell as traders assessed mixed growth and inflation data.

German Chancellor Olaf Scholz set out a 200 billion euro ($194 billion) "defensive shield" on Thursday to protect companies and consumers against the impact of soaring energy prices.

The EU on Friday will seek urgent ways to bring down skyrocketing energy prices as winter looms.

The right wing of the Conservative party has often demonstrated scepticism if not hostility towards renewables and the transition to a low-carbon economy.

The pound touched a new 37-year low against the dollar on Wednesday after Russian President Vladimir Putin's accusation of "nuclear blackmail" by the West boosted the safe-haven dollar.

U.S. President Joe Biden and British Prime Minister Liz Truss met in person for the first time on Wednesday and said they want to ensure the 1998 Good Friday Agreement that brought peace to Northern Ireland is protected.

Germany nationalised gas importer Uniper on Wednesday and Britain capped wholesale electricity and gas prices for businesses, as Europe splurged cash to keep the lights and heaters on this winter amid an escalating war in Ukraine.

Putin calls up reservists, warns Russia will use 'all means' for defence

European governments outlined new measures on Monday to cope with potential energy shortages this winter and raced to improve energy networks to share power, with Russian gas flows still running at severely reduced rates amid the Ukraine war.

Oil prices dipped in early trade on Friday, extending the week's losses as concern over tight supply was outweighed by escalating fear of sharp interest rate hikes slamming global growth and hitting fuel demand.

European Union energy ministers will attempt to approve new bloc-wide measures to pull down soaring gas and power prices at an emergency summit on Sept.

Iran said on Monday it was ready to continue cooperating with U.N.

European Union energy ministers met on Friday to seek agreement on ways to shield citizens from sky-high energy prices and prevent power utilities from collapsing as Russia has gradually turned off gas supplies to Europe in the standoff over Ukraine.

The European Commission will propose a price cap on Russian gas, alongside measures including a mandatory EU cut in electricity use and a cap on the revenue of non-gas power generators, the bloc's chief said on Wednesday.

President Joe Biden spoke by phone on Tuesday to congratulate new British Prime Minister Liz Truss and both leaders promised to strengthen their relationship as they stand together against Russia.

Tough talks and trade-offs await the winning side in Sweden's parliamentary elections with the governing centre-left and their right-wing challengers facing weeks of uncertainty should they come out on top.

Whether it's due to high prices, compensation for reduced consumption, or last minute blackouts, British consumers should expect some form of energy rationing this winter.

New UK Prime Minister Liz Truss inherits an economy set to enter recession before the end of the year, with double-digit inflation forecast to soar further.

Europe faces massive increases in energy bills driven by rocketing gas prices as the Ukraine conflict and European sanctions on Russia heighten concerns over gas supplies.

OPEC+ is likely to keep oil output quotas unchanged for October at a meeting on Monday, five OPEC+ sources said, although some sources would not rule out a small production cut to bolster prices that have slid due to fears of an economic slowdown.

Oil firms operating in Kurdistan have asked the United States to help defuse an upsurge in tension between Iraq's central government and the semi-autonomous region, according to a letter seen by Reuters and three sources.

Oil prices fell on Tuesday after notching their highest gains in more than a month in the previous session, as global inflation worries overshadowed the prospect of possible OPEC+ output cuts.

Energy ministers from EU member states will hold urgent talks in Brussels on September 9.

International Atomic Energy Agency chief Rafael Grossi said on Monday he was en route to inspect Ukraine's Zaporizhzhia nuclear plant.

European electricity prices soared to new records on Friday, presaging a bitter winter as Russia's invasion of Ukraine inflicts economic pain across the continent.

With double-digit inflation and an economy teetering on the brink of recession, the cost-of-living crisis has dominated the race for Downing Street.

Japan eyes nuclear power push to combat energy crunch

Cold winters helped Moscow defeat Napoleon and Hitler.