Energy Efficient Vehicle funny aluminum sign$18.95 – $24.95 Post this hilarious sign in your stable or your tack room. Funny horse sign. Size Choose an option12" x 18"9" x 12"Clear Energy Efficient Vehicle funny aluminum sign quantity Yes! I WANT this sign! Category: Horse Signs Tag: horse Description Additional information Description Remind everyone that your horse is energy efficient in a humorous way. Comes in two sizes for you to display in your tack room or stable. Additional information Size 12" x 18", 9" x 12" You may also like… My Barn My Rules funny aluminum sign – 9″ x 12″ $18.95 I NEED this one too! Yes I really Do Need All These Horses sign $10.50 – $24.95 I NEED this one too!