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An early gas-electric hybrid was developed by...Exxon?

We're not sure which aspect of Exxon's 1970s-era efforts to develop advanced and electrified powertrains is the most ironic. There's Exxon, that of the Valdez oil spill infamy, being on the leading edge of hybrids and electric vehicles. There's a boat-like Chrysler Cordova getting 27 miles per gallon. And there's the central role a Volkswagen diesel engine plays in that hybrid development. It's all outlined in an article (linked above) by Inside Climate News, and it's an amusing read. Flush with cash and fearing what it thought was peak oil production in the 1970s, Exxon funded a host of new ventures divisions geared to find alternatives to gas-powered powertrains. In the early 1970s, Exxon lured chemist M. Stanley Whittingham to develop what would become a prototype of a lithium-ion rechargeable battery. Then, in the late 1970s, Exxon pioneered the concept of using an alternating-current (AC) motor as part of a gas-electric hybrid vehicle. The company retrofitted a Chrysler Cordova (yes, that's the model Ricardo Montalban used to hawk) with a powertrain that combined 10 Sears Die-Hard car batteries, an alternating current synthesizer (ACS), a 100-horsepower AC motor, and, yes, a four-cylinder 50-horsepower Volkswagen diesel engine. The result was a rather large two-door sedan that got an impressive 27 mpg. And while US automakers didn't see the potential in the early concept, in 1980 Exxon and Toyota began collaborating on a project that would involve retrofitting a Toyota Cressida with a hybrid engine. That car was completed in 1981, and may have been one of the seeds that eventually helped sprout the concept of the Toyota Prius. Soon after rebuilding the Cressida, Exxon would get out of the advanced-powertrain-development business, as oil prices began to fall in the early 1980s, spurring cost-cutting measures. Cry no tears for the Exxon, though, as what's now known as ExxonMobil is the largest US oil company. Related Video: News Source: Inside Climate NewsImage Credit: Spencer Platt/Getty Images Green Read This Chrysler Toyota Electric Hybrid battery

Toyota engineer warns automous cars could increase fuel use, urban sprawl

An increasing number of people are starting to consider the potential downsides of a transition to autonomous cars. The FBI is already looking at them for the potential ill effects on law enforcement, and a scientist for Toyota is raising the possibility that driverless vehicles could actually be detrimental to the environment over the long term.
Ken Laberteaux, who studies future transportation for Toyota, thinks that autonomous cars could lead to more pollution, not less, says Bloomberg. However, Laberteaux's theory isn't so much based purely on science as it is considering behavioral and historical trends. "US history shows that anytime you make driving easier, there seems to be this inexhaustible desire to live further from things," said Laberteaux during a presentation at the Automated Vehicles Symposium in San Francisco, CA, cited by Bloomberg.
Laberteaux's belief is that if commuters can make their drives easier, then they will be more willing to live farther away from the cities where they work. The end result would be more urban sprawl and increased pollution from the longer travel times.

2013 Toyota Avalon Hybrid

People, us included, make a big stink about the importance of family sedans. There's no doubt they're critical - they represent a huge slice of the market's annual sales and profits. However, despite accounting for far fewer transactions than the midsize sedan segment, the fullsize sedan is getting attention from manufacturers now that our market's entire lineup of those (slightly) smaller four-doors has turned over in the last two years or so. As most of the fullsize segment's mainstays derive a fair bit of their platform and powertrain technologies from their midsize cousins, these larger four-doors offer the potential for fatter profit margins, too. And with the newly stylish duds found on many of the industry's most successful midsize sedans, it's only right that automakers no longer think about fullsizers as big, squishy, vanilla family haulers with flat seats, vague steering and a thin layer of 'luxury' in the form of faux wood trim.
As manufacturers have again started diving into large sedans feet-first, the cars themselves have become sharper. The interiors are now of a higher quality and loaded with tech, while the exteriors have become further extensions of each manufacturer's design language. There's perhaps no greater example of this than the Chevrolet Impala and Ford Taurus, two models that evolved from subpar offerings into market leaders. This segment-wide transformation happened quite quickly, whether because of coincidental timing or because manufacturers are trying to get more out of their big cars, recognizing they account for a small portion of overall sales (just 3.5 percent of the new-car market in the first half of 2013).
The 2013 Toyota Avalon Hybrid is one such vehicle. We remarked on the changes to the V6 variant last year, and while we previously had a quick steer of the gas-electric hybrid, we figured the new model was worth a closer week-long look.