How do you stay up to date with car trends and news? I love checking out Digg.com to see what’s new for the day. Sure, I’ve got my RSS reader filled with auto blogs, but it’s fun to see what’s trending at the top. Here’s the top stories on Digg today.

1. Electric Vehicle Industry Facing Continued Gov’t Dependence

Electric vehicles are the next big thing for the auto industry and environmentalists alike. But with the Obama Administration’s goal of getting 1,000,000 EVs on the road by 2015, that will only represent 0.5% of the total vehicles on the road. And to make it happen, billions will be required to be poured into an industry with unproven demand.

2. Tesla 2011 Model S Goes on David Letterman

The 2011 Tesla Model S appeared on stage with David Letterman last month. Viewers had a chance to see the car and even a few took test drives. They all thought the car was pretty sexy, but question the durability of the battery and vehicle over time. Only time will tell, but I’ll be in line to get one when they roll off the lot!

3. Seven Summertime Auto Myths Debunked

Do you really need antifreeze in your radiator all summer? Should you use heavier oil? There are plenty of old wives’ tales, advice from distant relatives and just plain weird stuff you read on the Internet that confuse drivers. Here are some real facts about summertime and your car.

4. GM CEO Says Lion’s Share of Cars will Run on Gas in 10 Years

Dr. Lyle Dennis, founder of GM-Volt.com, interviews Fritz Henderson CEO of General Motors, just days after GM declares bankruptcy. When asked what percentage of GM’s vehicles he expects to be electric in 10 years and if he is fully committed to electrification of the automobile and getting this country off of oil, he replied that GM is “committed to being a part of the solution.” The commitment he advised is broad beyond purely electrics but also improving gas car fuel efficiency. He said that even in 10 years “the lion’s share” of GM vehicles will use the internal combustion engine, yet they will be “far more efficient.”

5. A Guide to the Cash for Clunkers Bill

Curious exactly how the Cash For Clunkers bill works? This handy chart and fact sheet provide all you need to know about trading in a beater for a shiny new car. At first, a look at the chart gives the impression there’s a lot of money to be made by trading in your old car for a new one. Unfortunately, the compromises in this bill make it unlikely many people will be able to utilize it and save a great deal.