Driving down fuel consumption with XL hybrids

Despite their potential to reduce carbon dioxide (CO2) emissions and fuel consumption, electric and hybrid cars and trucks struggled for years to find a solid customer base. Much of the reason came down to cost and convenience: Electric car batteries are expensive, and charging them requires plug-in infrastructure that’s still sparse in the United States.

MIT presents new airplane designs to NASA

An MIT-led team has designed a green airplane for NASA that should use 70 percent less fuel than current planes while also reducing noise and nitrogen oxide emissions.