What is the most fuel-efficient Ford Transit Custom model?

I'm looking to buy a Ford Transit Custom for my small business, but I really need a van that is fuel-efficient. Which model should I choose?

The 2.0L EcoBlue diesel engine is the most fuel-efficient option for the Ford Transit Custom. It offers up to 40.4 mpg and has a low CO2 emission rating, making it a great choice for your business needs.

I recommend going for the plug-in hybrid option, as it offers even better fuel efficiency and has the added benefit of being able to drive on electric power alone for short distances. It may cost a bit more upfront, but you'll save money on fuel in the long run.