No no no!!
We had a 2 day training course on vehicle hazards and covered LPG cars.. when they go up they go big time! When the valve starts leaking theres nothing you can do about it and the safe distance is 400 metres!

No matter how much water you put on one it'll leave a hole in the road.. they are economical tho.. and keep fellas like me i a job
glen the little fireperson