4925cd36_s__Comparison_of_Light_Sources__Strengths
[0] LED [Operation] When electricity passes through certain diodes (electronic components) they give off light and become a Light Emitting Diodes [2] LED [Type of Light] Many colors are available including warm white and cool white [4] LED [6] LED [Weaknesses] Are not yet widely available for home use and certain types of fixtures can be expensive to purchase; cannot be dimmed [8] LED [Comments] Quickly becoming a standard in car dashboards, traffic lights, and taillights; home LEDs often require extra parts to operate [10] LED [Links] LED Fixtures [Strengths] 
Uses very little energy or space; is inexpensive to operate; gives off with very little heat; can last for years
Infographic - Compare Light Sources, Comparison of Light Sources
Strengths