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Oil exporters agree to extend output curbs

The world’s leading oil exporting nations have agreed to extend production curbs, aimed at boosting the oil price, by nine months. The Organisation of Petroleum Exporting Countries (Opec) and non-members, led by Russia, agreed the output limits would continue until the end of 2018.

Tesla mega-battery in Australia activated

The world’s largest lithium ion battery has begun dispensing power into an electricity grid in South Australia. The 100-megawatt battery, built by Tesla, was officially activated on Friday. It had in fact provided some power since Thursday due to demand caused by local hot