
By TOM KRISHER

Chrysler is bowing to demands from U.S. safety regulators and will add about 179,000 vehicles to a recall for air bags that could explode with too much force.
| Ashby plot of strength vs. density for engineering materials. (Yield strength for metals and polymers, tear strength for elastomers, compressive strength for ceramics, and tensile strength for composites.) The low-density HEA is indicated with the star. Youssef et al. |
Researchers from North Carolina State University and Qatar University have developed a new high-entropy alloy that has a higher strength-to-weight ratio that they say is unmatched by any other metallic material.
By Bernie Woodall and Ben Klayman

Ford hopes to get a fresh start and erase bad memories for some owners when it launches the new version of its in-car, interactive touch-screen system next fall.

Daimler promoted Ola Kaellenius (photo above), head of sales for its Mercedes-Benz Cars unit, to the group’s management board, making him a potential candidate to succeed Dieter Zetsche as CEO.