Obama urges end to US reliance on foreign energy

US President Barack Obama called on Saturday for an end to America's dependence on foreign energy sources -- and to the multi-billion-dollar subsidies given each year to oil companies.

Options for a new energy scenario

Even if the finite nature of the resource stocks is not the only factor that influences oil prices, speculation also plays a role in this process: peak oil, that is the point in time when oil production cannot be increased ...

China produces as much CO2 per person as Europe: report

China's carbon dioxide (CO2) levels soared in 2011, putting its per capita emissions on a par for the first time with those of Europe, while global levels of the greenhouse gas hit another all-time high, a report released ...

The pluses and (mostly) minuses of biofuels

Speakers at last week’s AAAS meeting presented abundant evidence that tropical rainforest destruction has accelerated in recent years, at least in part because of the worldwide push to produce more biofuels.

Commodity market volatility more perception than reality

When grain and other commodity prices experienced explosive episodes between 2004 and 2013, the finger pointed toward index traders as the cause. University of Illinois researchers identified and date-stamped both upward ...

Explaining the games gasoline retailers play

(Phys.org) —When it's time to top up the tank, how much thought do you give to where you will buy gas? Maybe you drive around town, looking for the best deal. Chances are, you usually visit the same station in your neighbourhood, ...

Transocean claims record sea depth for oil drilling

Offshore oil drilling group Transocean claimed Tuesday that it had a set a world record for deep water drilling at an ocean depth of 3,107 metres (10,194 feet) off the coast of India.

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