Why? Because it is not all about money. It seems that every day I read somewhere or see on television the complaint of “Well, I won’t buy a hybrid because it would take me years and years to make back the extra expense over a regular gas engine“. Though saving money on gasoline [...]
Dear EarthTalk: Are the United States’ vast oil shale resources a potential source of energy?
Oil shale is a fine-grained sedimentary rock that contains significant amounts of kerogen, a solid mixture of organic chemical compounds that can be converted into synthetic liquid fuel similar to oil, or into shale gas similar to petroleum-derived natural gas. Geologists [...]
Dear EarthTalk: If you have an electric or plug-in hybrid car, you’re paying for electricity rather than gasoline all or most of the time. How does that cost compare to a gas-powered car’s cost-per-mile? And since the electricity may be generated from some other polluting source, does it really work out to be better for [...]
