It’s no secret that automakers and dealerships typically climb over each other to offer the best incentives before the year ends. But this year’s sales season is expected to be particularly competitive, with slowing sales translating to greater urgency to clear inventory. According to research from Kelley Blue Book, the respected vehicle-valuation firm, overall incentives on new vehicle sales were up by 60% in October compared to the previous year. And the trend is likely to continue. Recommended Videos “‘Tis the season for automakers to make their final push for…