This page from Land Rover has a good overview, apparently it&#x27;s a new requirement in Europe (I&#x27;ve also never heard of it before):<p><a href="http:&#x2F;&#x2F;www.landrover.co.uk&#x2F;ownership&#x2F;euro-6-emissions-standards.html" rel="nofollow">http:&#x2F;&#x2F;www.landrover.co.uk&#x2F;ownership&#x2F;euro-6-emissions-standa...</a>