The following cars represent the most technically advanced available.
The 2014 Honda Accord Plug-in keeps up with the competition in some ways, but the overall package lacks cohesion, and quirky features such as the right-side camera don't add much.
The 2015 Ford Fusion Energi is a handsome and efficent hybrid sedan, but the benefit that the plug adds depends on how you utilize its 20 miles of EV range.
Plug-ins like Silverlight and Google Earth will be harder to find in the Chrome Web Store as Google works to build a safer, faster Web browser.
D-Link's latest Wi-Fi Smart Plug delivers Belkin WeMo Switch functionality for less.
It's the best plug-in ever created, and that's no hyperbole. OK, maybe a little.
With its modern but bland design, the Accord Plug-in attempts a high-tech coup, but merely catches up with previous efforts from Toyota and Ford.
Volvo expects to launch its first plug-in hybrid, an SUV, in the US next year.
D-Link needs to partner with IFTTT and fix performance inconsistencies to match the versatility and convenience of Belkin's WeMo Switch and WeMo Insight Switch.
With a built-in environmental sensors, smart USB ports, and promises of IFTTT-compatibility, these crowdfunded plugs could put some pressure on WeMo.
Apple's new plug-in manager in Safari allows for site-specific customization of plug-in behavior.