Diesel injection diagnostics and repairs

This is what a business in Australia was looking for in their business card design

I am after a business card design for my business.
The business; repairs diesel fuel systems on 4wds, trucks, earthmoving equipment,can do mobile repairs and diagnostics
The business design can basic but effective, I guess some colours such as green and black or even blue......
The end result should reflect the business name and logo and what the business can do Read more