From the article:
When the vehicle was pulled from the water, skeletal remains were found inside. One week later the remains were positively identified as belonging to Mr Moldt.
When the vehicle was pulled from the water, skeletal remains were found inside. One week later the remains were positively identified as belonging to Mr Moldt.
Bone can't be eaten, so when all that is left is the Skeleton there is no more decoposing. As long as they aren't crushed or destroyed through other means, bones will last virtually forever.
I assume he was identified by dental records or something similar (healed broken bones, etc).
Ironically, like plastic. :)
Squirrels eat bones. Skeletons disappear rapidly in the wild.