It's been quite some time since we first covered the exploits of a company called LiquidPiston, and given what we've learned since then, we were quite anxious to find out what these guys are up to ...

Consumer Reports has no financial relationship with advertisers on this site. Inverter generators are an elite breed of portable generators. And as a group, they outperform their conventional ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. Last year, Consumer Reports ...