New modelling shows governments need to ensure that corporations benefiting from the use of Australia's resources, are contributing the same as they do in other jurisdictions.
Australia is missing out on revenue from some gas projects because the petroleum resource rent tax doesn't apply.
A court decision slugging Chevron Australia with a tax bill also reveals the use of an accounting measure that obscures tax paid in Australia.
Europe was supposed to be big business for fracking companies, but so far not so good. So what's going wrong?