What is the fine-grained topic of the following text: Bill Bowman was in business building and repairing caravans noticing people were becoming aware of motorhomes in America he decided to start building motorhomes for the UK market, so in 1982 Auto-Trail was born, using the Peugeot 504 as the first motorhomes for the UK, these were small compared to the American vehicles, looking to improve on the 504 the ford transit and Talbots among others were used, to look like the large American vehicles, as the years rolled by different vehicles were converted to motorhomes, up to the present day, sill using Ford Transits for the Tribute range and now the Fiat Ducato, these are delivered from Italy as a chassis cab with Alko chassis modifications. Only return the topic.
The history and development of Auto-Trail motorhomes in the UK.