Some countries have already committed to using electric aircraft on domestic routes. These aircraft could slash costs and emissions on some of Australia's busiest flight routes.
With further technology required and practical uncertainties, time is running out for them to be useful in the fight against climate change.
There is a rapid shift in production of electric cars all over the world. But how will it benefit ordinary people?
Don't expect a solar-powered 747 anytime soon.
With emissions targets to hit and oil running out, it's time to take electric planes seriously.