What is the difference between 'soy-based' candles and 'petroleum-based paraffin' candles?

What is the difference between 'soy-based' candles and 'petroleum-based paraffin' candles?

Dan Sharp (Green Family Expert) gives expert video advice on: How can I make my parties and events more green?; What kinds of food and beverages can I serve at a green event?; What is 'organic wine'? and more...

The difference between soy candles and petroleum-based paraffin candles are that soy candles are made with soy, which is a renewable resource, whereas petroleum is not a renewable resource. Also, soy candles burn longer and slower, which can give a nicer fragrance and they're also less toxic than paraffin candles.