Velomobiles have been around since before the First World War.
A cross between a car and a recumbent tricycle, they provide an enclosure for the rider to improve aerodynamics and offer protection from bad weather.
The design makes it possible for a rider to take longer trips with less strain that a bicycle requires. Velomobiles are heavier than bicycles, so they require more effort to accelerate.
So someone got the idea to add an electric motor. An electric velomobile can accelerate and climb hills better than a standard bicycle. Continue reading →
Americans have grown to love plastic bags. I did the first time I saw them in a grocery store.
No one knew the environmental problems they’d cause. Now that they’re everywhere, what can we do about them? Continue reading →
Renewable energy certificates (RECs) are supposed to encourage development of green power. Do they?
They lurk behind the controversy when a company like Apple or Amazon claims to operate facilities entirely with green power. Complaints of a hoax come from both sides of the political spectrum.
In fact, these companies get their energy from the grid using whatever power plants supply from whatever source. They justify their green claim by purchasing RECs. Are RECs legitimate? I think so.
It’s not just large corporations. Homeowners can switch to green power using RECs, too. Continue reading →
You have put your recycling out at the curb, or perhaps taken it to a drop-off center. Does it actually get recycled?
Probably. It depends.
You may have read that a lot of what’s put out for recycling goes to the landfill. You may have also read that the US exports a lot of recycling to China and other Third World countries.
Not all recycling programs are created equal. Your community uses one of four different recycling methods. Local government policies and partnerships also affect what happens to your recycling. Continue reading →
The Trump/Pence ticket vowed to end Obama’s war on coal.
The successful campaign complained about excessive regulation and vowed to put the coal industry back on its feet.
They’re too late. Coal already lost the war. And not to Obama or regulation, either. Continue reading →
Electric cars recharging
What do your car and the electric grid have in common?
An electric car needs to be recharged from time to time. The grid must balance the supply of electricity with the demand. That changes from moment to moment. The two can work together. Continue reading →