Studebaker Dip Stick, 21 1/2 Inch. Used. Item: 2344 on 2040-parts.com

Mazda diesel delayed again

If you've been waiting for a Mazda 6 diesel, prepare to wait a bit longer. After delaying the US launch until Spring 2014, Mazda now says it won't meet that target date either. Mazda says the engine meets current emissions standards using only a particulate filter, but the resulting blend of performance and fuel economy isn't up to snuff.

Ford MyKey system now limits cell phone use for teens

Ford's MyKey system has been able to limit speeds and audio volume to improve teen-driver safety. Now, new technology will allow the system to limit cell phone use as well. Launching on the 2012 Ford Explorer, the new technology means that, when hooked up to Sync, the teen's phone will send calls to voicemail and save texts for later reading, but drivers can still make voice-activated outgoing calls.

BMW, Daimler experiment with upscale rent-by-the-ride

Two European luxury brands are tiptoeing into car sharing, a radical move for carmakers whose business for the past 100 years has been selling to individuals. German archrivals Daimler AG and BMW AG have launched sharing programs. The automakers say the move was prompted by changing attitudes about car ownership, especially among young buyers, and increased urban congestion.