It’s good the High Court overturned Victoria’s questionable EV tax. But there’s a sting in the tail

For anyone concerned with the need to decarbonise transport – or with sound economic policy – yesterday’s High Court ruling might seem like good news.

The court ruled Victoria’s tax on road use for zero- and low-emissions vehicles was unconstitutional, after two electric car drivers challenged the state’s ability to impose excise-type levies.

But given the High Court’s previous track record on constitutional interpretation, there’s a grave danger this…