Meet “The Neverending Article.” Sure, it seems like a pretty straightforward proposition: Compare and contrast the major motivators out there today. No problem, right? And it probably wouldn’t have been 30 years ago, when powertrain options were limited to your choice of either gas or diesel. However, the 21st century isn’t like the 20th. Here in the future, the minute you think you’re done writing about one kind of powertrain, another one comes along, and you’re right back to re-drafting your fifth introductory paragraph.