It's interesting that the booking page for the 'Manager's Special' shows 2 passengers and 1 suitcase, when the information page on the site says 'at least 4 seatbelts' and 2 suitcases.
https://www.hertz.com.au/rentacar/mi...gerspecial.jsp
The 'null' on CO2 emissions doesn't mean zero emissions, it just means there is no published emission value for this car (understandably).
I booked on for Hawaii in 3 weeks, It was over $10/day cheaper than anything else. Will be interesting to see what I get.