I feel this should be EE, but I'd probably get shouted at. Interesting potential (pun what pun?) debate on Design Spark concerning the= =20 subject line. Not much actually debate as yet, mainly people not answering the topic=20 but... http://www.designspark.com/content/will-my-mobile-phone-blow-petrol-station There doesn't seem to be easily findable authoritive works on the interweb,= =20 a lot of just repeating received wisdom. There is this from the Australian Mobile Telecomms Association. http://littleurl.info/1ax and this from the Australian Transport Safety Bureau, but they are talking= =20 about mobile phones exploding due to fumes and static electricity rather=20 than petrol stations exploding due to phones. http://www.esdjournal.com/static/Static_Fires.pdf There is this from a research piece by Kent University UK,=20 http://littleurl.info/yav Personally I ignore programs such as featured in the YouTube embeddedment=20 (new verb) for absolute truth, but as a catalyst for further research, they= =20 can be OK.=20 More comment by me in OT. Colin -- cdb, 3/09/2011 =20 -- colin@btech-online.co.uk --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .