How Teresa Gambaro voted compared to someone who believes that the federal government should hold a plebiscite to gauge whether citizens support or oppose introducing a carbon pricing mechanism (also known as a 'carbon tax')

Division Teresa Gambaro Supporters vote

15th Sep 2011 – Representatives Carbon Tax Plebiscite Bill 2011 - Second Reading - Read a second time

absent Yes (strong)

How "never voted on" is worked out

Normally a person's votes count towards a score which is used to work out a simple phrase to summarise their position on a policy. However in this case Teresa Gambaro was absent during all divisions for this policy. So, it's impossible to say anything concrete other than that they have "never voted" on this policy.