Answer:
I am a sharp looking horse with a flaxen tail. The longer I run the shorter my tail becomes.
You heard me before and then again. Afterward I die, until you call me again. What am I?
When it comes to me you go on red and stop on green.
I'm not alive and yet I grow. Just put me next to where it glows. A favorite in summertime best with friends when combined
I had a bright start but I couldn't take the pressure. I consume everything yet I don't eat anything.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.