This is what he is refering to when he says oxy/gasoline and they are very safe and efficient however they are expensive, about $1200 usd and up depending on the setup you go with.
petrogen
If you do a lot of cutting it will be worth it, or if you just have that kind of $$ to play with.
Anyone not familiar with them definately needs to go to the web site and watch the demo videos......they are awesome.
And no you can't use a regular ox/ac torch or tips.
welder19