Mercedes chief Paddy Lowe thinks Formula One needs to start thinking about how the next set of engine regulations will look when the current cycle ends in 2020.F1s current V6 turbo era started in 2014, but has been criticised due to Mercedes huge dominance and a lack of noise from the engines. The current power units are set to remain until 2020 and Lowe thinks a long-term plan would avoid similar mistakes being made with the next set of rules.When asked about engines after 2020, Lowe said: Thats a good question and its a big question. I think it is about time we started to talk about the engine beyond this one.?And it does raise some very big considerations: how do we define an engine or power unit that is correct for the sport but also relevant to the kind of power units that we will see in the future in road cars? Do we make remain in some way related attached to that technology which is increasingly electrical or do we go our own way? So there are some very very important questions there.Lowe thinks the sound of the engines needs to be a key consideration post-2020 -- especially if F1 wants to remain relevant to road cars.That debate started really with the issue of the sound of these engines when they arrived in 2014. Its better now than it was back then but it doesnt match the sound of the old V8s or the V10s but it still raises an interesting debate.I think road cars of the future, at some point not that far off, will be completely silent if they are all electrical so will we want noise, will we associate noise with performance or not? There are some very interesting debates there and I think we need to start that process.Ferraris Jock Clear agreed with Lowe, saying it is important to give teams plenty of time to understand what the regulations will look like.It needs to be thought about. I think what we have learned from this cycle and this era of hybrid engines is that the power units now are very, very complicated and it needs a lot of planning and I think well go into those next negotiations with eyes wide open this time.I dont think theres anybody who didnt fall into the category of underestimating what might have been involved, and as such, [so] the sooner we start, the sooner well be aware and the sooner we can come to a solution that will be the best for the sport. Shoes NZ 2020 . After a first half in which he thought "the lid was on the basket," the Toronto Raptors coach watched his squad mount a second half surge to defeat the Cleveland Cavaliers 98-91. Shoes NZ From China . All of the scoring came in the final 20:04. 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SPARTA, Ky. -- Brad Keselowskis calm demeanor was never more evident than his cool response to a tense moment.He radioed crew chief Paul Wolfe that his No. 2 Ford was out of fuel but stayed focused, heeding instructions to milk whatever mileage he could.Keselowski ended up having enough to become the first three-time winner at Kentucky Speedway on Saturday night, overtaking Kevin Harvick on lap 201 and holding on for the Sprint Cup Series victory.We ran out with about two (laps) to go, he said. Somehow we limped it around and stay ahead of?Carl (Edwards)?and bring it home. This is something Im not going to forget.Its a pretty helpless feeling being out of gas with guys behind you. But theres nothing you can about it, and freaking out aint going to help anything.Matt Kenseth grabbed the lead with six laps remaining but soon pitted for fuel to hand the top spot back to Keselowski, who had just enough gas in reserve to edge Edwards by .175 seconds in the closest victory margin for the 400-mile race. Keselowskis tank eventually ran dry and he needed a tow truck to get to victory lane.Ryan Newman was third, followed by Kurt Busch and then Tony Stewart in fifth in his final Kentucky race. The three-time series champion is retiring after this season.Keselowski led three times for a total of 75 laps on his way to his second straight win and series-best fourth of the season that clinched a spot in the Chase for the championship.All of his Kentucky wins have come in even-numbered years -- the others came in 2012 and 2014 -- and his latest triumph on the 1.5 mile tri-oval might have been his most impressive in terms of strategy.The Penske Racing driver pitted just four times after starting second and made the most of his gas tank down to the last drop, withstanding one last charge from Edwards. Those final laps were still nerve-wracking for Wolfe, but hes been in this situation before with Keselowski and things have turned out well.I felt pretty ggood about it (fuel) until the 19 (Edwards) closed up on us, he said.dddddddddddd He was able to go and I think he said, shut it off a little bit down the back and as he got into the corner it picked up. Once we were coming off (turn) 4, I saw he was still under power and I felt like we had it at that point.Said Edwards: I thought he was out of fuel, but he did a good job.Keselowski clearly got a lot from his tires and setup, both of which were important on the resurfaced and reconfigured track featuring higher banking in turns and 1 and 2. He lamented the smoothing of front-stretch bumps he said added character to Kentucky, but quickly adapted to the improvements and new NASCAR rules that reduced downforce and sideforce.Harvick, the pole-sitter, led for a race-high 128 laps and finished ninth.Keselowski guided his Ford past Harvicks Chevy on lap 201 after the race record-tying 11th caution. The race then stayed green to the end.Accidents were the story early on. Some notable names were collected, including Jimmie Johnson, Joey Logano and rookie Chase Elliott.Some other notes from the Kentucky race:HARD HIT: Loganos No. 22 Ford was knocked out after hitting the wall, an impact that left him 38th and red-faced. That was one of the hardest hits Ive had in a while, he said. Of his race, he added, it doesnt hurt. I think its just red.TIRES HOLD UP: Despite double-digit cautions that quickly made Goodyears tires an easy target, the package that differed from last months test held up well. Spokesman Mike Siberini said tires were cut by other factors, but there was no blistering like the type the company found after the June test here.PARTING GIFT: Stewart received a Kentucky basketball jersey from former Wildcats coach Joe B. Hall and ex-players Jack Goose Givens and Kyle Macy from the 1978 NCAA championship team. ' ' '