A controversial coal mine in Sydney's catchment area is seeking to expand despite "very significant" impacts.

Origin Energy is replacing its longstanding chief executive, Grant King, with, Frank Calabria, rekindling the possibility of a restructure

A "fair share" of the country's allowable carbon emissions will soon be burnt through, a think tank says.

Australia could see steep falls in coal exports which will wipe billions off export income over the next two decades due to climate change policies

Brent fell almost 1 per cent as hopes waned for a pact between two of the biggest oil producers.

Oil rose after Russia and Saudi Arabia said they agreed to cooperate on stabilising the market.

With a move into Senegal under a cloud, Woodside has taken a safer option with its latest expansion by acquiring acreage off Western Australia.

• COMMENT

It's time for government to acknowledge the obvious: electricity prices will have to rise if we're meaningfully to reduce carbon emissions.

Woodside Petroleum's shopping spree has returned closer to home with the $US400 million acquisition of a portion of BHP Billiton's stake in the Scarborough LNG project

A leading think-tank has lashed out at plans by the Victorian government to introduce an auction scheme for renewable energy, which could at the least complicate moves by the Federal government to rein in carbon emissions.

It has the highest penetration of renewable energy in the country, yet power prices in South Australia are set to soar, if the futures market is right.

The global steel glut is shaping up as a hot-button issue at the G20

Uranium miner Energy Resources of Australia has been forced to slash the value of its assets by $161 million.

Mexico's government hedged oil exports for next year at an average $US42 a barrel.

Adani's Carmichael coal mine has cleared another legal hurdle after the Federal Court threw out a challenge against the project.

A call by EnergyAustralia to halt sales of energy contracts by door-to-door sales teams has been rejected by others in the industry such as the industry's lobby group and other retailers.

With the clock ticking down on the controversial Ranger mine, government oversight is being cut.

Oil prices were largely unchanged on Friday in a volatile session.

The world's top performing hedge fund is shorting companies that are juicing their valuations by promising investors big dividends.

Oil increased after a report that Iran will participate in an informal meeting of OPEC members.

Rising wind power and gas exports from Queensland will work to keep both electricity and gas prices high, Moody's Investors Service has warned, with the big energy utilities Origin Energy and AGL likely to benefit with power prices to remain volatile.

If the planet started warming earlier than we thought and we are closer to warning levels, scientists find.

As it holds its position in fuel sales, Caltex is looking to its convenience stores for growth ahead of any impact from electric vehicles, which it expects is more than a decade away.

So we're all going to be driving electric vehicles over the next few years, right?

Lower refining margins squeezed Caltex Australia's earnings in the June half, notwithstanding a boost to volumes of petrol sold.

Bluescope Steel has warned it needs to continue to squeeze costs to justify committing to necessary upgrades at its Port Kembla steelworks.

US-based AMCI has proposed a mine that would encroach within about 900 metres of Forbesdale and a couple of kilometres of Gloucester.

Oil capped its strongest weekly increase in five months after entering a bull market.

Santos has plunged to a net loss of $US1.1 billion for the first half, dragged down by a heavy write-down on its new liquefied natural gas project in Queensland that it flagged earlier this week.