A re-elected Albanese government has committed to pumping $100 million into the redevelopment of Scitech in West Perth.

The founder and managing director of the failed Worx Equipment business is leading a new company which was established by his partner a few weeks after administrators were called in.

Federal shadow treasurer Angus Taylor has doubled down on his opposition to critical minerals tax credits, after prominent Nationals candidate Mia Davies backed the Labor-led plan.