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Only four out of 38 energy technologies and sectors were on track to meet long-term climate, energy access and air pollution goals in 2017.

This is according to the International Energy Agency’s (IEA) new and most comprehensive analysis of the global clean-energy transition.

The findings are part of the IEA’s latest Tracking Clean Energy Progress (TCEP), which assesses the latest progress made by key energy technologies, and how quickly each technology is moving towards the goals of the IEA’s Sustainable Development Scenario (SDS).

Some technologies made tremendous progress in 2017, with solar PV seeing record deployment, LEDs quickly becoming the dominant source of lighting in the residential sector, and electric vehicle sales jumping by 54%.

But the analysis also found that most technologies are not on track to meet long-term sustainability goals. Read more: Climate change impacts African energy markets

Energy efficiency improvements, for example, have slowed and progress on key technologies like carbon capture and storage remains stalled.

This contributed to an increase in global energy-related CO2 emissions of 1.4% last year.

Clean-energy transition

The report provides a comprehensive, rigorous and up-to-date analysis of the status of the clean-energy transition across a full range of technologies and sectors, their recent progress, deployment rates, investment levels, and innovation needs.

“There is a critical need for more vigorous action by governments, industry, and other stakeholders to drive advances in energy technologies that reduce greenhouse gas emissions,” said Dr Fatih Birol, the IEA’s Executive Director.

“The world doesn’t have an energy problem but an emissions problem, and this is where we should focus our efforts.”

The findings this year are compiled in an updated website, which provides easy navigation across technologies and sectors, and draws links across the IEA’s resources.

The report will be updated throughout the year as new data becomes available, and will be complemented by cutting-edge analysis and commentary on notable developments on the global clean energy transition.