Delhi government has mandated the use of only cleaner fuels and barred all toxic and polluting fuels. According to the notification by Delhi Pollution Control Committee, only Bharat Stage VI compliant petrol and diesel with 10 ppm sulphur, CNG, LPG, biogas, aviation fuel, energy from waste, charcoal for limited use in tandoors and ironing of clothes, and wood for cremations are allowed. All other pollution causing fuels including petcoke, furnace oil, tyre oil etc are banned.

The renewed upward march of global carbon emissions is worrying and a big step backwards in the fight against climate change, according to BP. Emissions rose 1.6% in 2017 after flatlining for the previous three years, which the British oil firm said was a reminder the world was not on track to hit the goals of the Paris climate deal.

G7 countries (and others around the world) are in the early stages of an energy transition – including, in some areas, a shift away from the production and consumption of fossil fuels. This transition is being driven by decarbonisation objectives and policies, as well as a sharp reduction in the cost of clean technologies.

Hydraulic fracturing, also known as “fracking”, the divisive method of extracting natural gas from shale formations, should be approached with caution by countries seeking ways to increase access to energy, says a new UNCTAD report on shale gas.