What it is, how to top up, and how often you'll need to.
Many vehicles use the additive to comply with the Euro 6 emissions standard, but top-up intervals and costs vary massively. Christopher Smith reports
Euro6 emissions regulations will see all car and van manufacturers introduce super-clean diesel engines. But how are they achieving the new standards and what will it mean for fleet operators? Sarah Tooze reports.
By Chris Joyce, chief operating officer, Fleet Hire