Backlog depends on when they do their check runs. I got my refund back in August at the same time as another person that sent their form in 2 or 3 weeks earlier than me. They are pretty good about it though, no hassles if you are patient.

Two climate control systems, one inside and the other at the tailpipe.

2007 Camry Hybrid (in service June 2006)
FE: 6.67L/100km or 35.3 mpg (6.11L/100km or 38.5 mpg in summer)