Table:
text: Rogue Valley Transportation District
Bus Fleet
Fleet Statistics
Manufacturer Model Year_Built Vehicle_Length Fuel_Type _in_fleet
New Flyer C35LF 2006 35 feet CNG 2
New Flyer C35LF 2004 35 feet CNG 10
New Flyer D35lf 2010 35 feet Diesel 3
Gillig Phantom 1991 35 feet Diesel 2
GMC New Look 1981 35 feet Diesel 3

Question: What is the manufacturer with a fuel type that is diesel in the Rogue Valley Transportation District?