Just in time to the increase in prosperity of well known economic institutes the caravaning industry also comes along with a smile on its face. The business-fair about mobile homes, caravans and camping offers everything for the unbelieably solvent customer down to the economically priced model with a Dacia Logan base. But there are also news for the nearly ancient mobile homes: filters for carbon-particulate matter to upgrade cleaning systems for exhaust-emissions. A brighter future for old diesel-engines in Germany.