Photovoltaic systems and renewable energy

When considering a solar photovoltaic (PV) system for your home, the first step is to reduce your energy needs by making your home more ener...

Plug-in-Electric-Vehicles are in the news again, and I’m a little puzzled by Toyota’s recent test of a plug-in-Prius. The low electric-only ...

At first glance it might seem that a small refrigerator is a better “green” choice than a larger one, but for most households this is simpl...

If GM's EV-1 electric car were to be manufactured today, it would have a battery pack that weighs half as much as it did in the old EV-1...

It’s easy to name inventions that have changed our lives. The electric light, radio, and television are among the most notable, and the pers...

It’s mid-July, and my garden is in full-swing once again. Here’s a brief tour: Tomatoes are on the left. Pole beans are in the background. F...