Even Alan Pears, RMIT senior industry fellow, and self-proclaimed energy nerd, had to jump through hoops to find out.

UNSW research finds the energy savings from installing solar panels on 5.7 million homes currently without them would surpass the cost in 5 years.

Some of the biggest car companies don’t mind that Aussies are paying too much for petrol-guzzling, high polluting cars because that’s how they make their profits.

More needs to be done to improve the affordability of EVs, and convince nearly half the population they are a viable alternative.