I've had year old fuel in my tractor and 2 year old fuel in my Mercedes 300SD. Both cranked and ran but they are mechanical injector pump engines.
I believe there are stabilizers available for Diesel to prevent fungal growth and extend storage life.
I've heard that Bio blends don't store as well.
2009 Murano LE AWD - Traded
2003 Excursion 4x4 7.3 PSD - DIESEL
1985 Mercedes 300SD - DIESEL
JGC LIMITED 4x4, CRD, MAXSTEEL-BLK/FROST INT, LG2, ORA2, BLK HTR, NAV., CD - DIESEL!
Harley FLSTFI '04