Engine with no spark?

Mazda may be losing its spark, and that’s a good thing. The automaker is reportedly set to introduce the first modern gasoline automobile engine that works more like a diesel, using compression to ignite its fuel mixture, rather than an …

Can the DNC be saved?

The still-lingering tensions of the 2016 primary have dominated the contest so far to head the Democratic National Committee. But they have also masked the deeper problem: After a year of debate scheduling drama, hacked emails, questions about impartiality and …