Luke Grant & Senator Bridget McKenzie slam the lack of detail around Federal Government's new fuel efficiency standards, saying if it's such a good idea they should release the details.

Luke Grant &amp; Senator Bridget McKenzie slam the lack of detail around Federal Government's new fuel efficiency standards, saying if it's such a good idea they should release the details.

Tune into 2GB Drive from 3pm to 6pm each weekday.

Tune into 2GB Drive from 3pm to 6pm each weekday.