Supercapacitors (ultracapacitors) are now center stage for designers of electronics and particularly power circuits. This is because they are improving faster than the batteries and electrolytic capacitors they increasingly replace. More subtly, they reduce the need for and danger from lithium-ion batteries. For example, when placed across a rechargeable battery, they protect it from fast charging and discharging and allow more of the energy in the battery to be utilised. Learn more ...

In this article, we look at other aspects of what will and will not happen with electric vehicles land, water and air in 2013, whether they are hybrid or pure electric.