Is it better to convert an older car to LPG or buy a new hybrid?

I'm wonder if is a better choice to spend less money for a good used car no more than 8-10 years old and pay a good LPG kit or spent more money for a new hybrid car,will LPG save more money?

What's the best petrol hybrid with room for five passengers?

I travel to Spain 3 times a year and am looking for a petrol hybrid (not plug in) with good boot space for 5 passengers any suggestions please

What should we consider when looking at a used hybrid?

What should we consider when looking at a used hybrid? For example, will I be faced with the cost of replacing batteries or other expensive technology. Do the 'risks' of used and the tax incentives for...