Fleet branding

We are a producer of heating appliances. We have design advertising / signage for the sides of our fleet of 10 pick-up trucks (includes back cabin) used by our servicemen. The project should be completed in 3 phases. Phase 1; 8 hand drawn concepts. Phase 2; low-res graphic implementation of 3 concepts. Phase 3; high-res graphic implementation graphic of the final chosen design. All designs should include our logo, web address, central phone number, and tag line. This job must be completed in 7 days from the start date