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Although India’s Ujjwala programme has encouraged adoption of modern cooking gas, households have not shifted away from using highly polluting solid fuels. Additional incentives to encourage regular use of cooking gas are necessary to enable a more rapid and complete transition to clean cooking fuel among poor rural households.
International energy economic analysis frequently involves conversion of all monetary figures to a single currency, typically the US dollar. This can cause significant variation in estimation of values that change over time such as learning rates for new energy technologies.
Biomass such as agricultural and forestry residues, animal manure and municipal solid wastes can be a replenishable and widely available source of energy. Harnessing this resource can have significant energy and environmental benefits.
The development of high-nickel layered oxide cathodes represents an opportunity to realize the full potential of lithium-ion batteries for electric vehicles. Manthiram and colleagues review the materials design strategies and discuss the challenges and solutions for low-cobalt, high-energy-density cathodes.
Water management is an important aspect in the operation of alkaline exchange membrane fuel cells. Now, a lightly cross-linked norbornene polymer membrane is shown to be able to facilitate optimal water transport, leading to exceptionally high power and current density fuel cells.
