Clean energy is at the heart of the solution to the climate challenge, according to the Intergovernmental Panel for Climate Change (IPCC). It comes from renewable, zero-emission sources that do not pollute the atmosphere when used.
In this capacity, green hydrogen often steals the limelight. Produced by splitting water into hydrogen and oxygen using renewable electricity, green hydrogen has become the darling of climate saviours the world over and is expected to play a leading role in the future energy make-up. But how do we get there from here?
The answer may lie with transition fuels. Not entirely carbon-free, transition fuels such as liquefied natural gas (LNG) are sometimes seen by critics as a distraction from full-fledged decarbonisation. Others see them as a necessary stepping stone to bridging the gap between dirty energy and clean energy, paving the way for zero-emission fuels.
Produced when natural gas is cooled to -162ºC, LNG is the cleanest fossil-based fuel. Its combustion does not emit soot, dust or fumes and it generates 30% less CO2 (carbon dioxide) than diesel fuel and 45% less than coal. In the context of the current energy transition, it represents an alternative fuel to reduce emissions and help combat climate change.
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