Deutsche Bank Drops $6.3 Billion in 4Q; Nortel Files for Chap. 11; Lehman Out of Chap. 11 in 18-24 Months; Work on World’s Tallest Building Delayed; Yahoo Tunes in to Asian Players; Record Job Cuts; More Adults Downloading TV; D-TV Switch Could be Delayed

Germany’s largest bank, Deutsche Bank AG, reported a fourth quarter loss of about $6.3 billion (4.8 billion euros), prompting its shares to fall as much as 13% on the news. A year earlier, the bank posted a profit of about $1.3 billion (1 billion euros), Bloomberg reported. Nortel Networks Corp., the largest telephone equipment maker in North America, yesterday (Wednesday) filed for Chapter 11 bankruptcy protection. “Based on this filing, the board of directors must believe that not only is the fourth quarter bad, but ...

Environmental Economics and The Energy Collective are among the many voices recently advising consumers they could save gasoline by driving more slowly. I was curious to take a look at the evidence behind such claims. Source: U.S. Dept. of Energy. Air resistance increases the faster you travel, which might lead you to think that higher speeds always require more fuel. However, your car's engine is designed for maximal efficiency in converting fuel into motion when you drive at higher speeds. As a result, the typical car gets much better gas mileage if you drive it at 45 mph instead of 15. However, at speeds above 60 mph, the wind resistance becomes a dominant factor, and miles per gallon for most cars starts to decline significantly if you drive faster than 60. The basis for the graph above and many of ...